Jump to content

Marburg virus

From Wikipedia, the free encyclopedia
(Redirected from Marburg viruses)
For the genus, see Marburgvirus.
Marburg virus
Transmission electron micrograph of Marburg virus
Transmission electron micrograph of Marburg virus
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Negarnaviricota
Class: Monjiviricetes
Order: Mononegavirales
Family: Filoviridae
Genus: Marburgvirus
Species:
Marburg marburgvirus
Virus:
Marburg virus

Marburg virus (MARV) is a hemorrhagic fever virus of the Filoviridae family of viruses and a member of the species Marburg marburgvirus, genus Marburgvirus.[1] It causes Marburg virus disease in primates, a form of viral hemorrhagic fever.[2] The World Health Organization (WHO) rates it as a Risk Group 4 Pathogen (requiring biosafety level 4-equivalent containment).[3] In the United States, the National Institute of Allergy and Infectious Diseases ranks it as a Category A Priority Pathogen[4] and the Centers for Disease Control and Prevention lists it as a Category A Bioterrorism Agent.[5] It is also listed as a biological agent for export control by the Australia Group.[6]

The virus can be transmitted by exposure to one species of fruit bats or it can be transmitted between people via body fluids through unprotected sex and broken skin. The disease can cause haemorrhage, fever, and other symptoms similar to Ebola, which belongs to the same family of viruses. According to the WHO, there are no approved vaccines or antiviral treatment for Marburg, but early, professional treatment of symptoms like dehydration considerably increases survival chances.[7]

In 2009, expanded clinical trials of an Ebola and Marburg vaccine began in Kampala, Uganda.[8][9]

History

[edit]

Discovery

[edit]
See also: 1967 Marburg virus outbreak
CryoEM reconstruction of a section of the Marburg virus nucleocapsid. EMDB entry.[10][11]

Marburg virus was first described in 1967.[12] It was discovered that year during a set of outbreaks of Marburg virus disease in the German cities of Marburg and Frankfurt and the Yugoslav capital Belgrade. Laboratory workers were exposed to tissues of infected grivet monkeys (the African green monkey, Chlorocebus aethiops) at the Behringwerke [de], a major industrial plant in Marburg which was then part of Hoechst, and later part of CSL Behring. During the outbreaks, thirty-one people became infected and seven of them died.[13]

Nomenclature

[edit]

The virus is one of two members of the species Marburgvirus, which is included in the genus Marburgvirus, family Filoviridae, and order Mononegavirales. The name Marburgvirus is derived from Marburg (the city in Hesse, Germany, where the virus was first discovered) and the taxonomic suffix virus.[1]

Marburgvirus was first introduced under this name in 1967.[12] The virus name was changed to Lake Victoria marburgvirus in 2005, confusingly making the only difference in distinguishing between a Marburgvirus organism and its species as a whole italicization, as in Lake Victoria marburgvirus.[14][15][16] Still, most scientific articles continued to use the name Marburgvirus. Consequently, in 2010, the name Marburgvirus was reinstated and the species name changed.[1]

Virology

[edit]

Genome

[edit]
Marburg virion and genome

Like all mononegaviruses, marburg virions contain non-infectious, linear nonsegmented, single-stranded RNA genomes of negative polarity that possess inverse-complementary 3' and 5' termini, do not possess a 5' cap, are not polyadenylated, and are not covalently linked to a protein.[17] Marburgvirus genomes are approximately 19 kbp long and contain seven genes in the order 3'-UTR-NP-VP35-VP40-GP-VP30-VP24-L-5'-UTR.[18]

Structure

[edit]
Micrograph of the Marburg viruses
Colorized electron micrograph of a Marburg virus

Like all filoviruses, marburgvirions are filamentous particles that may appear in the shape of a shepherd's crook or in the shape of a "U" or a "6", and they may be coiled, toroid, or branched.[18] Marburgvirions are generally 80 nm in width, but vary somewhat in length. In general, the median particle length of marburgviruses ranges from 795 to 828 nm (in contrast to ebolavirions, whose median particle length was measured to be 974–1,086 nm), but particles as long as 14,000 nm have been detected in tissue culture.[19]

Marburgvirions consist of seven structural proteins. At the center is the helical ribonucleocapsid, which consists of the genomic RNA wrapped around a polymer of nucleoproteins (NP). Associated with the ribonucleoprotein is the RNA-dependent RNA polymerase (L) with the polymerase cofactor (VP35) and a transcription activator (VP30). The ribonucleoprotein is embedded in a matrix, formed by the major (VP40) and minor (VP24) matrix proteins. These particles are surrounded by a lipid membrane derived from the host cell membrane. The membrane anchors a glycoprotein (GP1,2) that projects 7 to 10 nm spikes away from its surface. While nearly identical to ebolavirions in structure, marburgvirions are antigenically distinct.[20]

Entry

[edit]

Niemann–Pick C1 (NPC1) cholesterol transporter protein appears to be essential for infection with both Ebola and Marburg virus. Two independent studies reported in the same issue of Nature showed that Ebola virus cell entry and replication requires NPC1.[21][22] When cells from patients lacking NPC1 were exposed to Ebola virus in the laboratory, the cells survived and appeared immune to the virus, further indicating that Ebola relies on NPC1 to enter cells. This might imply that genetic mutations in the NPC1 gene in humans could make some people resistant to one of the deadliest known viruses affecting humans. The same studies described similar results with Marburg virus, showing that it also needs NPC1 to enter cells.[21][22] Furthermore, NPC1 was shown to be critical to filovirus entry because it mediates infection by binding directly to the viral envelope glycoprotein[22] and that the second lysosomal domain of NPC1 mediates this binding.[23]

In one of the original studies, a small molecule was shown to inhibit Ebola virus infection by preventing the virus glycoprotein from binding to NPC1.[22][24] In the other study, mice that were heterozygous for NPC1 were shown to be protected from lethal challenge with mouse-adapted Ebola virus.[21]

Replication

[edit]
The Marburg virus replication cycle

The Marburg virus life cycle begins with virion attachment to specific cell-surface receptors, followed by fusion of the virion envelope with cellular membranes and the concomitant release of the virus nucleocapsid into the cytosol.[citation needed]

The virus RdRp partially uncoats the nucleocapsid and transcribes the genes into positive-stranded mRNAs, which are then translated into structural and nonstructural proteins. Marburgvirus L binds to a single promoter located at the 3' end of the genome. Transcription either terminates after a gene or continues to the next gene downstream. This means that genes close to the 3' end of the genome are transcribed in the greatest abundance, whereas those toward the 5' end are least likely to be transcribed. The gene order is therefore a simple but effective form of transcriptional regulation.[25]

The most abundant protein produced is the nucleoprotein, whose concentration in the cell determines when L switches from gene transcription to genome replication. Replication results in full-length, positive-stranded antigenomes that are in turn transcribed into negative-stranded virus progeny genome copies. Newly synthesized structural proteins and genomes self-assemble and accumulate near the inside of the cell membrane. Virions bud off from the cell, gaining their envelopes from the cellular membrane they bud from. The mature progeny particles then infect other cells to repeat the cycle.[14]

Ecology

[edit]
The geographic distribution of Marburg virus and Egyptian fruit bats

In 2009, the successful isolation of infectious MARV was reported from caught healthy Egyptian fruit bats (Rousettus aegyptiacus).[26] This isolation, together with the isolation of infectious RAVV,[26] strongly suggests that Old World fruit bats are involved in the natural maintenance of marburgviruses. Further studies are necessary to establish whether Egyptian rousettes are the actual hosts of MARV and RAVV or whether they get infected via contact with another animal and therefore serve only as intermediate hosts. In 2012 the first experimental infection study of Rousettus aegyptiacus with MARV provided further insight into the possible involvement of these bats in MARV ecology.[27]

Experimentally infected bats developed relatively low viremia lasting at least five days, but remained healthy and did not develop any notable gross pathology. The virus also replicated to high titers in major organs (liver and spleen), and organs that might possibly be involved in virus transmission (lung, intestine, reproductive organs, salivary gland, kidney, bladder, and mammary gland). The relatively long period of viremia noted in this experiment could possibly also facilitate mechanical transmission by blood sucking arthropods in addition to infection of susceptible vertebrate hosts by direct contact with infected blood.[27]

Evolution

[edit]

The viral strains fall into two clades: Ravn virus and Marburg virus.[28] The Marburg strains can be divided into two: A and B. The A strains were isolated from Uganda (five from 1967), Kenya (1980) and Angola (2004–2005) while the B strains were from the Democratic Republic of the Congo epidemic (1999–2000) and a group of Ugandan isolates isolated in 2007–2009.[25]

The mean evolutionary rate of the whole genome was 3.3 × 10−4 substitutions/site/year (credibility interval 2.0–4.8). The Marburg strains had a mean root time of the most recent common ancestor of 177.9 years ago (95% highest posterior density 87–284) suggesting an origin in the mid 19th century. In contrast, the Ravn strains origin dated back to a mean 33.8 years ago (the early 1980s). The most probable location of the Marburg virus ancestor was Uganda whereas that of the RAVV ancestor was Kenya.[citation needed]

Human disease

[edit]
Main article: Marburg virus disease

MARV is one of two Marburg viruses that causes Marburg virus disease (MVD) in humans (in the literature also often referred to as Marburg hemorrhagic fever, MHF). The other one is Ravn virus (RAVV). Both viruses fulfill the criteria for being a member of the species Marburg marburgvirus because their genomes diverge from the prototype Marburg marburgvirus or the Marburg virus variant Musoke (MARV/Mus) by <10% at the nucleotide level.[1]

Recorded outbreaks

[edit]
Year Geographic location Virus Human cases Human deaths Case fatality rate Notes
1967 Marburg and Frankfurt, West Germany, and Belgrade, Socialist Federal Republic of Yugoslavia MARV 31 7 23% Laboratory leak[29][12][30][31][32][33][34][35][36][excessive citations]
1975 Rhodesia and Johannesburg, South Africa MARV 3 1 33% [37][38][39]
1980 Kenya MARV 2 1 50% [40]
1987 Kenya RAVV 1 1 100% [41][42]
1988 Koltsovo, Soviet Union 1 1 100% Laboratory accident[43]
1990 Koltsovo, Soviet Union MARV 1 1 100% Laboratory accident[44]
1998–2000 Durba and Watsa, Democratic Republic of the Congo MARV & RAVV 154 128 83% Two different marburgviruses, MARV and Ravn virus (RAVV), cocirculated and caused disease. The number of cases and deaths due to MARV or RAVV infection have not been reported.[45][46][47]
2004–2005 Angola MARV 374 329 90% [48][49][50][51][52][53][54][excessive citations]
2007 Uganda MARV & RAVV 4 1 25% [26][55]
2008 Uganda and The Netherlands MARV 1 1 100% [56]
2012 Uganda MARV 18 9 50% [57]
2014 Uganda MARV 1 1 100% [58][59]
2017 Uganda MARV 3 3 100% [60]
2021 Guinea MARV 1 1 100% The Guinean government detected the case from a sample of patients who died on August 2, 2021, in the southern prefecture of Gueckedou near the country's borders with Sierra Leone and Liberia.[61][62][63]
2022 Ghana MARV 4 3 75% Four cases have been reported so far with preparations for a possible outbreak being made. On 17 July 2022, two cases were confirmed by Ghana,[64] with two more being subsequently confirmed on 27 July 2022.[65]

See Ghana Marburg virus outbreak 2022.[66]

February 2023 Equatorial Guinea 25 11 44% See 2023 Marburg virus disease outbreak in Equatorial Guinea.[67][68]
March 2023 Tanzania 8 5 63% See 2023 Marburg virus disease outbreak in Tanzania.[69]
2024 Rwanda 58 13 22% See Rwanda Marburg virus disease outbreak.[70]

Prevention

[edit]

Infection prevention and control

[edit]
Main article: Prevention of viral hemorrhagic fever

As with many similar virusses, viral transmission can be reduced by taking suitable infection prevention and control measures, such as cleaning, isolation, protective clothing, safe waste disposal, and safe funeral practices for those killed by the disease.

Vaccination

[edit]
Main article: Marburg vaccine

The first clinical study testing the efficacy of a Marburg virus vaccine was conducted in 2014. The study tested a DNA vaccine and concluded that individuals inoculated with the vaccine exhibited some level of antibodies. However, these vaccines were not expected to provide definitive immunity.[71] Several animal models have shown to be effective in the research of Marburg virus, such as hamsters, mice, and non-human primates (NHPs). Mice are useful in the initial phases of vaccine development as they are ample models for mammalian disease, but their immune systems are still different enough from humans to warrant trials with other mammals.[72] Of these models, the infection in macaques seems to be the most similar to the effects in humans.[73] A variety of other vaccines have been considered. Virus replicon particles (VRPs) were shown to be effective in guinea pigs, but lost efficacy once tested on NHPs. Additionally, an inactivated virus vaccine proved ineffective. DNA vaccines showed some efficacy in NHPs, but all inoculated individuals showed signs of infection.[74]

Because Marburg virus and Ebola virus belong to the same family, Filoviridae, some scientists have attempted to create a single-injection vaccine for both viruses. This would both make the vaccine more practical and lower the cost for developing countries.[75] Using a single-injection vaccine has shown to not cause any adverse reactogenicity, which the possible immune response to vaccination, in comparison to two separate vaccinations.[71]

There is a candidate vaccine against the Marburg virus called rVSV-MARV. It was developed alongside vaccines for closely-related Ebolaviruses by the Canadian government in the early 2000s, twenty years before the outbreak. Production and testing of rVSV-MARV is blocked by legal monopolies held by the Merck Group. Merck acquired rights to all the closely-related candidate vaccines in 2014, but declined to work on most of them, including the Marburg vaccine, for economic reasons. While Merck returned the rights to the abandoned vaccines to the Public Health Agency of Canada, the vital rVSV vaccine production techniques which Merck had gained (while bringing the closely-related rVSV-ZEBOV vaccine into commercial use in 2019, with GAVI funding) remain Merck's, and cannot be used by anyone else wishing to develop a rVSV vaccine.[76][77][78][79]

As of June 23, 2022, researchers working with the Public Health Agency of Canada conducted a study which showed promising results of a recombinant vesicular stomatitis virus (rVSV) vaccine in guinea pigs, entitled PHV01. According to the study, inoculation with the vaccine approximately one month prior to infection with the virus provided a high level of protection.[80]

Even though there is much experimental research on Marburg virus, there is still no prominent vaccine. Human vaccination trials are either ultimately unsuccessful or are missing data specifically regarding Marburg virus.[81] Due to the cost needed to handle Marburg virus at qualified facilities, the relatively few number of fatalities, and lack of commercial interest, the possibility of a vaccine has simply not come to fruition[82] (see also economics of vaccines).

Biological weapon

[edit]

The Soviet Union had an extensive offensive and defensive biological weapons program that included MARV.[83] At least three Soviet research institutes had MARV research programs during the Cold War: The Virology Center of the Scientific-Research Institute for Microbiology in Zagorsk (today Sergiev Posad), the Scientific-Production Association "Vektor" (today the State Research Center of Virology and Biotechnology "Vektor") in Koltsovo, and the Irkutsk Scientific-Research Anti-Plague Institute of Siberia and the Far East in Irkutsk.[83]

As most performed research was highly classified, it remains unclear how successful the MARV program was. However, Soviet defector Ken Alibek claimed that a weapon filled with MARV was tested at the Stepnogorsk Scientific Experimental and Production Base in Stepnogorsk, Kazakh Soviet Socialist Republic (today Kazakhstan),[83] suggesting that the development of a MARV biological weapon had reached advanced stages. Independent confirmation for this claim is lacking. At least one laboratory accident with MARV, resulting in the death of Koltsovo researcher Nikolai Ustinov, occurred during the Cold War in the Soviet Union and was first described in detail by Alibek.[83]

MARV is a select agent under US law.[84]

References

[edit]
  1. ^ a b c d Kuhn JH, Becker S, Ebihara H, Geisbert TW, Johnson KM, Kawaoka Y, et al. (December 2010). "Proposal for a revised taxonomy of the family Filoviridae: classification, names of taxa and viruses, and virus abbreviations". Archives of Virology. 155 (12): 2083–2103. doi:10.1007/s00705-010-0814-x. PMC 3074192. PMID 21046175.
  2. ^ Spickler A. "Ebolavirus and Marburgvirus Infections" (PDF).
  3. ^ US Department of Health and Human Services. "Biosafety in Microbiological and Biomedical Laboratories (BMBL) 5th Edition". Retrieved 2011-10-16.
  4. ^ "Biodefense Category A, B, C Pathogens, NIAID, NIH". Archived from the original on 2011-10-22. Retrieved 2011-10-16.
  5. ^ US Centers for Disease Control and Prevention (CDC). "Bioterrorism Agents/Diseases". Archived from the original on 2014-07-22. Retrieved 2011-10-16.
  6. ^ The Australia Group. "List of Biological Agents for Export Control". Archived from the original on 2011-08-06. Retrieved 2011-10-16.
  7. ^ Marburg virus disease Fact sheet Updated October 2017 http://www.who.int/mediacentre/factsheets/fs_marburg/en/
  8. ^ Beth Skwarecki Ebola, Marburg DNA Vaccines Prove Safe in Phase 1 Trial Medscape Medical News, September 17, 2014
  9. ^ Evaluating an Ebola and a Marburg Vaccine in Uganda U.S. Department of Health & Human Services
  10. ^ "CryoEM reconstruction of the Marburg virus nucleocapsid". Electron Microscopy Data Bank. Retrieved 18 February 2023.
  11. ^ Bharat TA, Riches JD, Kolesnikova L, Welsch S, Krähling V, Davey N, et al. (November 2011). Rey FA (ed.). "Cryo-electron tomography of Marburg virus particles and their morphogenesis within infected cells". PLOS Biology. 9 (11): e1001196. doi:10.1371/journal.pbio.1001196. PMC 3217011. PMID 22110401.
  12. ^ a b c Siegert R, Shu HL, Slenczka W, Peters D, Müller G (December 1967). "[On the etiology of an unknown human infection originating from monkeys]". Deutsche Medizinische Wochenschrift. 92 (51): 2341–2343. doi:10.1055/s-0028-1106144. PMID 4294540. S2CID 116556454.
  13. ^ Slenczka W, Klenk HD (November 2007). "Forty years of marburg virus". The Journal of Infectious Diseases. 196 (Suppl 2): S131–S135. doi:10.1086/520551. PMID 17940940.
  14. ^ a b Feldmann H, Geisbert TW, Jahrling PB, Klenk H, Netesov SV, Peters CJ, et al. (2005). "Family Filoviridae". In Fauquet CM, Mayo MA, Maniloff J, Desselberger U, Ball LA (eds.). Virus Taxonomy—Eighth Report of the International Committee on Taxonomy of Viruses. San Diego, US: Elsevier/Academic Press. pp. 645–653. ISBN 978-0-12-370200-5.
  15. ^ Mayo MA (2002). "ICTV at the Paris ICV: results of the plenary session and the binomial ballot". Archives of Virology. 147 (11): 2254–60. doi:10.1007/s007050200052. S2CID 43887711.
  16. ^ Kuhn JH, Jahrling PB (April 2010). "Clarification and guidance on the proper usage of virus and virus species names". Archives of Virology. 155 (4): 445–453. doi:10.1007/s00705-010-0600-9. PMC 2878132. PMID 20204430.
  17. ^ Pringle CR (2005). "Order Mononegavirales". In Fauquet CM, Mayo MA, Maniloff J, Desselberger U, Ball LA (eds.). Virus Taxonomy—Eighth Report of the International Committee on Taxonomy of Viruses. San Diego, US: Elsevier/Academic Press. pp. 609–614. ISBN 978-0-12-370200-5.
  18. ^ a b Kiley MP, Bowen ET, Eddy GA, Isaäcson M, Johnson KM, McCormick JB, et al. (1982). "Filoviridae: a taxonomic home for Marburg and Ebola viruses?". Intervirology. 18 (1–2): 24–32. doi:10.1159/000149300. PMID 7118520.
  19. ^ Geisbert TW, Jahrling PB (December 1995). "Differentiation of filoviruses by electron microscopy". Virus Research. 39 (2–3): 129–150. doi:10.1016/0168-1702(95)00080-1. PMID 8837880.
  20. ^ King LB, West BR, Schendel SL, Saphire EO (August 2018). "The structural basis for filovirus neutralization by monoclonal antibodies". Current Opinion in Immunology. 53: 196–202. doi:10.1016/j.coi.2018.05.001. PMC 6141344. PMID 29940415.
  21. ^ a b c Carette JE, Raaben M, Wong AC, Herbert AS, Obernosterer G, Mulherkar N, et al. (August 2011). "Ebola virus entry requires the cholesterol transporter Niemann-Pick C1". Nature. 477 (7364): 340–343. Bibcode:2011Natur.477..340C. doi:10.1038/nature10348. PMC 3175325. PMID 21866103.
  22. ^ a b c d Côté M, Misasi J, Ren T, Bruchez A, Lee K, Filone CM, et al. (August 2011). "Small molecule inhibitors reveal Niemann-Pick C1 is essential for Ebola virus infection". Nature. 477 (7364): 344–348. Bibcode:2011Natur.477..344C. doi:10.1038/nature10380. PMC 3230319. PMID 21866101.
  23. ^ Miller EH, Obernosterer G, Raaben M, Herbert AS, Deffieu MS, Krishnan A, et al. (April 2012). "Ebola virus entry requires the host-programmed recognition of an intracellular receptor". The EMBO Journal. 31 (8): 1947–1960. doi:10.1038/emboj.2012.53. PMC 3343336. PMID 22395071.
  24. ^ Flemming A (September 2011). "Achilles heel of Ebola viral entry". Nature Reviews. Drug Discovery. 10 (10): 731. doi:10.1038/nrd3568. PMID 21959282. S2CID 26888076.
  25. ^ a b Brauburger K, Hume AJ, Mühlberger E, Olejnik J (October 2012). "Forty-five years of Marburg virus research". Viruses. 4 (10): 1878–1927. doi:10.3390/v4101878. PMC 3497034. PMID 23202446.
  26. ^ a b c Towner JS, Amman BR, Sealy TK, Carroll SA, Comer JA, Kemp A, et al. (July 2009). Fouchier RA (ed.). "Isolation of genetically diverse Marburg viruses from Egyptian fruit bats". PLOS Pathogens. 5 (7): e1000536. doi:10.1371/journal.ppat.1000536. PMC 2713404. PMID 19649327.
  27. ^ a b Paweska JT, Jansen van Vuren P, Masumu J, Leman PA, Grobbelaar AA, Birkhead M, et al. (2012). "Virological and serological findings in Rousettus aegyptiacus experimentally inoculated with vero cells-adapted hogan strain of Marburg virus". PLOS ONE. 7 (9): e45479. Bibcode:2012PLoSO...745479P. doi:10.1371/journal.pone.0045479. PMC 3444458. PMID 23029039. Open access icon
  28. ^ Zehender G, Sorrentino C, Veo C, Fiaschi L, Gioffrè S, Ebranati E, et al. (October 2016). "Distribution of Marburg virus in Africa: An evolutionary approach". Infection, Genetics and Evolution. 44: 8–16. Bibcode:2016InfGE..44....8Z. doi:10.1016/j.meegid.2016.06.014. hdl:2434/425196. PMID 27282469. S2CID 1704025.
  29. ^ Ristanović ES, Kokoškov NS, Crozier I, Kuhn JH, Gligić AS (May 2020). "A Forgotten Episode of Marburg Virus Disease: Belgrade, Yugoslavia, 1967". Microbiology and Molecular Biology Reviews. 84 (2): e00095-19. doi:10.1128/MMBR.00095-19. PMC 7233485. PMID 32404328.
  30. ^ Smith CE, Simpson DI, Bowen ET, Zlotnik I (November 1967). "Fatal human disease from vervet monkeys". Lancet. 2 (7526): 1119–1121. doi:10.1016/s0140-6736(67)90621-6. PMID 4168558.
  31. ^ Kissling RE, Robinson RQ, Murphy FA, Whitfield SG (May 1968). "Agent of disease contracted from green monkeys". Science. 160 (3830): 888–890. Bibcode:1968Sci...160..888K. doi:10.1126/science.160.3830.888. PMID 4296724. S2CID 30252321.
  32. ^ Martini, G. A.; Knauff, H. G.; Schmidt, H. A.; Mayer, G.; Baltzer, G. (1968). "Über eine bisher unbekannte, von Affen eingeschleppte Infektionskrankheit: Marburg-Virus-Krankheit" [A previously unknown infectious disease acquired from monkeys: Marburg virus disease]. Deutsche Medizinische Wochenschrift (in German). 93 (12): 559–571. doi:10.1055/s-0028-1105098. ISSN 0012-0472. PMID 4966280.
  33. ^ Stille W, Böhle E, Helm E, van Rey W, Siede W (March 1968). "[On an infectious disease transmitted by Cercopithecus aethiops. ("Green monkey disease")]". Deutsche Medizinische Wochenschrift. 93 (12): 572–582. doi:10.1055/s-0028-1105099. PMID 4966281. S2CID 260058558.
  34. ^ Bonin O (May 1969). "The Cercopithecus monkey disease in Marburg and Frankfurt (Main), 1967". Acta Zoologica et Pathologica Antverpiensia. 48: 319–331. PMID 5005859.
  35. ^ Jacob H, Solcher H (July 1968). "[An infectious disease transmitted by Cercopithecus aethiops ("marbury disease") with glial nodule encephalitis]". Acta Neuropathologica. 11 (1): 29–44. doi:10.1007/bf00692793. PMID 5748997. S2CID 12791113.
  36. ^ Stojkovic L, Bordjoski M, Gligic A, Stefanovic Z (1971). "Two Cases of Cercopithecus-Monkeys-Associated Haemorrhagic Fever". In Martini GA, Siegert R (eds.). Marburg Virus Disease. Berlin, Germany: Springer-Verlag. pp. 24–33. ISBN 978-0-387-05199-4.
  37. ^ Gear JS, Cassel GA, Gear AJ, Trappler B, Clausen L, Meyers AM, et al. (November 1975). "Outbreake of Marburg virus disease in Johannesburg". British Medical Journal. 4 (5995): 489–493. doi:10.1136/bmj.4.5995.489. PMC 1675587. PMID 811315.
  38. ^ Gear JH (March 1977). "Haemorrhagic fevers of Africa: an account of two recent outbreaks". Journal of the South African Veterinary Association. 48 (1): 5–8. PMID 406394.
  39. ^ Conrad JL, Isaacson M, Smith EB, Wulff H, Crees M, Geldenhuys P, Johnston J (November 1978). "Epidemiologic investigation of Marburg virus disease, Southern Africa, 1975". The American Journal of Tropical Medicine and Hygiene. 27 (6): 1210–1215. doi:10.4269/ajtmh.1978.27.1210. PMID 569445.
  40. ^ Smith DH, Johnson BK, Isaacson M, Swanapoel R, Johnson KM, Killey M, et al. (April 1982). "Marburg-virus disease in Kenya". Lancet. 1 (8276): 816–820. doi:10.1016/S0140-6736(82)91871-2. PMID 6122054. S2CID 42832324.
  41. ^ Marburg and Ebola viruses; Advances in Virus Research; Volume 47, 1996, Pages 1–52
  42. ^ "Outbreak Table | Marburg Hemorrhagic Fever | CDC". www.cdc.gov.
  43. ^ Beer B, Kurth R, Bukreyev A (January 1999). "Characteristics of Filoviridae: Marburg and Ebola viruses". Die Naturwissenschaften. 86 (1): 8–17. Bibcode:1999NW.....86....8B. doi:10.1007/s001140050562. PMID 10024977. S2CID 25789824.
  44. ^ Nikiforov VV, Turovskiĭ I, Kalinin PP, Akinfeeva LA, Katkova LR, Barmin VS, et al. (1994). "[A case of a laboratory infection with Marburg fever]". Zhurnal Mikrobiologii, Epidemiologii I Immunobiologii (3): 104–106. PMID 7941853.
  45. ^ Bertherat E, Talarmin A, Zeller H (1999). "[Democratic Republic of the Congo: between civil war and the Marburg virus. International Committee of Technical and Scientific Coordination of the Durba Epidemic]". Médecine Tropicale. 59 (2): 201–204. PMID 10546197.
  46. ^ Bausch DG, Borchert M, Grein T, Roth C, Swanepoel R, Libande ML, et al. (December 2003). "Risk factors for Marburg hemorrhagic fever, Democratic Republic of the Congo". Emerging Infectious Diseases. 9 (12): 1531–1537. doi:10.3201/eid0912.030355. PMC 3034318. PMID 14720391.
  47. ^ Bausch DG, Nichol ST, Muyembe-Tamfum JJ, Borchert M, Rollin PE, Sleurs H, et al. (August 2006). "Marburg hemorrhagic fever associated with multiple genetic lineages of virus" (PDF). The New England Journal of Medicine. 355 (9): 909–919. doi:10.1056/NEJMoa051465. PMID 16943403.
  48. ^ Hovette P (2005). "[Epidemic of Marburg hemorrhagic fever in Angola]". Médecine Tropicale. 65 (2): 127–128. PMID 16038348.
  49. ^ Ndayimirije N, Kindhauser MK (May 2005). "Marburg hemorrhagic fever in Angola--fighting fear and a lethal pathogen". The New England Journal of Medicine. 352 (21): 2155–2157. doi:10.1056/NEJMp058115. PMID 15917379.
  50. ^ Towner JS, Khristova ML, Sealy TK, Vincent MJ, Erickson BR, Bawiec DA, et al. (July 2006). "Marburgvirus genomics and association with a large hemorrhagic fever outbreak in Angola". Journal of Virology. 80 (13): 6497–6516. doi:10.1128/JVI.00069-06. PMC 1488971. PMID 16775337.
  51. ^ Jeffs B, Roddy P, Weatherill D, de la Rosa O, Dorion C, Iscla M, et al. (November 2007). "The Medecins Sans Frontieres intervention in the Marburg hemorrhagic fever epidemic, Uige, Angola, 2005. I. Lessons learned in the hospital". The Journal of Infectious Diseases. 196 (Suppl 2): S154–S161. doi:10.1086/520548. PMID 17940944.
  52. ^ Roddy P, Weatherill D, Jeffs B, Abaakouk Z, Dorion C, Rodriguez-Martinez J, et al. (November 2007). "The Medecins Sans Frontieres intervention in the Marburg hemorrhagic fever epidemic, Uige, Angola, 2005. II. lessons learned in the community". The Journal of Infectious Diseases. 196 (Suppl 2): S162–S167. doi:10.1086/520544. PMID 17940945.
  53. ^ Roddy P, Marchiol A, Jeffs B, Palma PP, Bernal O, de la Rosa O, Borchert M (February 2009). "Decreased peripheral health service utilisation during an outbreak of Marburg haemorrhagic fever, Uíge, Angola, 2005". Transactions of the Royal Society of Tropical Medicine and Hygiene. 103 (2): 200–202. doi:10.1016/j.trstmh.2008.09.001. hdl:10144/41786. PMID 18838150.
  54. ^ Roddy P, Thomas SL, Jeffs B, Nascimento Folo P, Pablo Palma P, Moco Henrique B, et al. (June 2010). "Factors associated with Marburg hemorrhagic fever: analysis of patient data from Uige, Angola". The Journal of Infectious Diseases. 201 (12): 1909–1918. doi:10.1086/652748. PMC 3407405. PMID 20441515.
  55. ^ Adjemian J, Farnon EC, Tschioko F, Wamala JF, Byaruhanga E, Bwire GS, et al. (November 2011). "Outbreak of Marburg hemorrhagic fever among miners in Kamwenge and Ibanda Districts, Uganda, 2007". The Journal of Infectious Diseases. 204 (Suppl 3): S796–S799. doi:10.1093/infdis/jir312. PMC 3203392. PMID 21987753.
  56. ^ Timen A, Koopmans MP, Vossen AC, van Doornum GJ, Günther S, van den Berkmortel F, et al. (August 2009). "Response to imported case of Marburg hemorrhagic fever, the Netherland". Emerging Infectious Diseases. 15 (8): 1171–1175. doi:10.3201/eid1508.090015. PMC 2815969. PMID 19751577.
  57. ^ "Marburg hemorrhagic fever outbreak continues in Uganda". October 2012.
  58. ^ "1st LD-Writethru: Deadly Marburg hemorrhagic fever breaks out in Uganda". October 5, 2014.
  59. ^ Ntale S (October 8, 2014). "99 in Uganda quarantined after Marburg virus death". CNN. Retrieved 2014-10-19.
  60. ^ "Marburg virus disease – Uganda Disease outbreak news". October 25, 2017. Archived from the original on October 26, 2017.
  61. ^ "Marburg virus disease - Guinea". www.who.int. Retrieved 2022-11-29.
  62. ^ Koundouno, Fara R.; Kafetzopoulou, Liana E.; Faye, Martin; Renevey, Annick; Soropogui, Barrè; Ifono, Kékoura; Nelson, Emily V.; Kamano, Aly A.; Tolno, Charles; Annibaldis, Giuditta; Millimono, Saa L.; Camara, Jacob; Kourouma, Karifa; Doré, Ahmadou; Millimouno, Tamba E. (2022-06-30). "Detection of Marburg Virus Disease in Guinea". New England Journal of Medicine. 386 (26): 2528–2530. doi:10.1056/NEJMc2120183. ISSN 0028-4793. PMC 7613962. PMID 35767445. S2CID 250114159.
  63. ^ Makenov, Marat; Boumbaly, Sanaba; Tolno, Faya Raphael; Sacko, Nouminy; N’Fatoma, Leno Tamba; Mansare, Oumar; Kolie, Bonaventure; Stukolova, Olga; Morozkin, Evgeny; Kholodilov, Ivan; Zhurenkova, Olga; Fyodorova, Marina; Akimkin, Vasily; Popova, Anna; Conde, Namoudou (2022-11-04). "Investigating the Zoonotic Origin of the Marburg Virus Outbreak in Guinea in 2021": 2022.11.03.514981. doi:10.1101/2022.11.03.514981. S2CID 253371377. {{cite journal}}: Cite journal requires |journal= (help)
  64. ^ "Ghana confirms its first outbreak of highly infectious Marburg virus". Reuters. 2022-07-18. Retrieved 2022-07-18.
  65. ^ "WHO confirms two more Marburg virus cases in Ghana, says official". National Post. 2022-07-27. Retrieved 2022-07-27.
  66. ^ "Ghana prepares for possible first-ever Marburg virus outbreak". UN News. 2022-07-08. Retrieved 2022-07-18.
  67. ^ "Equatorial Guinea confirms first-ever Marburg virus disease outbreak". World Health Organization. 13 February 2023. Retrieved 13 February 2023.
  68. ^ "Death Toll In E. Guinea Marburg Outbreak Rises To 11". Barron's. Retrieved 28 February 2023.
  69. ^ "Five dead as Tanzania detects first-ever Marburg virus outbreak". aljazeera. Retrieved 22 March 2023.
  70. ^ "Rwanda reports 8 deaths linked to Ebola-like Marburg virus days after it declared an outbreak". Associated Press. 30 September 2024. Retrieved 30 September 2024.
  71. ^ a b Kibuuka H, Berkowitz NM, Millard M, Enama ME, Tindikahwa A, Sekiziyivu AB, et al. (April 2015). "Safety and immunogenicity of Ebola virus and Marburg virus glycoprotein DNA vaccines assessed separately and concomitantly in healthy Ugandan adults: a phase 1b, randomised, double-blind, placebo-controlled clinical trial". Lancet. 385 (9977): 1545–1554. doi:10.1016/S0140-6736(14)62385-0. PMID 25540891. S2CID 205975536.
  72. ^ Shifflett K, Marzi A (December 2019). "Marburg virus pathogenesis - differences and similarities in humans and animal models". Virology Journal. 16 (1): 165. doi:10.1186/s12985-019-1272-z. PMC 6937685. PMID 31888676.
  73. ^ Ewers EC, Pratt WD, Twenhafel NA, Shamblin J, Donnelly G, Esham H, et al. (March 2016). "Natural History of Aerosol Exposure with Marburg Virus in Rhesus Macaques". Viruses. 8 (4): 87. doi:10.3390/v8040087. PMC 4848582. PMID 27043611.
  74. ^ Suschak JJ, Schmaljohn CS (2019-10-03). "Vaccines against Ebola virus and Marburg virus: recent advances and promising candidates". Human Vaccines & Immunotherapeutics. 15 (10): 2359–2377. doi:10.1080/21645515.2019.1651140. PMC 6816442. PMID 31589088.
  75. ^ Geisbert TW, Geisbert JB, Leung A, Daddario-DiCaprio KM, Hensley LE, Grolla A, Feldmann H (July 2009). "Single-injection vaccine protects nonhuman primates against infection with marburg virus and three species of ebola virus". Journal of Virology. 83 (14): 7296–7304. doi:10.1128/JVI.00561-09. PMC 2704787. PMID 19386702.
  76. ^ "MSF's response to CEPI's policy regarding equitable access". Médecins Sans Frontières Access Campaign. September 25, 2018. Archived from the original on March 21, 2021. Retrieved April 10, 2020. In vaccine development, access to know how is important. Knowledge and expertise including but not limited to purification techniques, cell lines, materials, software codes and their transfer of this to alternative manufacturers in the event the awardee discontinues development of a promising vaccine is critically important. The recent example of Merck abandoning the development of rVSV vaccines for Marburg (rVSV-MARV) and for Sudan-Ebola (rVSV-SUDV) is a case in point. Merck continues to retain vital know-how on the rVSV platform as it developed the rVSV vaccine for Zaire-Ebola (rVSV-ZEBOV) with funding support from GAVI. While it has transferred the rights on these vaccines back to Public Health Agency of Canada, there is no mechanism to share know how on the rVSV platform with other vaccine developers who would like to also use rVSV as a vector against other pathogens.
  77. ^ "Merck & Co. Licenses NewLink's Ebola Vaccine Candidate". Genetic Engineering & Biotechnology News. November 24, 2014. Archived from the original on May 18, 2018. Retrieved January 20, 2016.
  78. ^ "Canadian Ebola vaccine development taken over by Merck". Reuters. November 24, 2014. Archived from the original on April 2, 2018. Retrieved January 10, 2020.
  79. ^ "First FDA-approved vaccine for the prevention of Ebola virus disease, marking a critical milestone in public health preparedness and response" (Press release). U.S. Food and Drug Administration (FDA). December 19, 2019. Archived from the original on December 20, 2019. Retrieved December 19, 2019. Public Domain This article incorporates text from this source, which is in the public domain.
  80. ^ Zhu W, Liu G, Cao W, He S, Leung A, Ströher U, et al. (June 2022). "A Cloned Recombinant Vesicular Stomatitis Virus-Vectored Marburg Vaccine, PHV01, Protects Guinea Pigs from Lethal Marburg Virus Disease". Vaccines. 10 (7): 1004. doi:10.3390/vaccines10071004. PMC 9324024. PMID 35891170.
  81. ^ Dulin N, Spanier A, Merino K, Hutter JN, Waterman PE, Lee C, Hamer MJ (January 2021). "Systematic review of Marburg virus vaccine nonhuman primate studies and human clinical trials". Vaccine. 39 (2): 202–208. doi:10.1016/j.vaccine.2020.11.042. PMID 33309082. S2CID 229178658.
  82. ^ Reynolds P, Marzi A (August 2017). "Ebola and Marburg virus vaccines". Virus Genes. 53 (4): 501–515. doi:10.1007/s11262-017-1455-x. PMC 7089128. PMID 28447193.
  83. ^ a b c d Alibek K, Handelman S (1999). Biohazard: The Chilling True Story of the Largest Covert Biological Weapons Program in the World—Told from Inside by the Man Who Ran It. New York: Random House. ISBN 978-0-385-33496-9.
  84. ^ US Animal and Plant Health Inspection Service (APHIS) and US Centers for Disease Control and Prevention (CDC). "National Select Agent Registry (NSAR)". Retrieved 2011-10-16.

Further reading

[edit]
[edit]
Wikimedia Commons has media related to Marburgvirus.
Retrieved from "http://en.wiki.x.io/w/index.php?title=Marburg_virus&oldid=1263570300"