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Yambuku

Coordinates: 2°49′23″N 22°13′28″E / 2.82306°N 22.22444°E / 2.82306; 22.22444
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Yambuku
Village
Yambuku is located in Democratic Republic of the Congo
Yambuku
Yambuku
Coordinates: 2°49′23″N 22°13′28″E / 2.82306°N 22.22444°E / 2.82306; 22.22444
CountryDemocratic Republic of the Congo
ProvinceMongala

Yambuku is a small village in Mongala Province in northern Democratic Republic of the Congo, best known as the center of the 1976 Ebola outbreak.[1] It is 1,098 kilometres (682 mi) northeast of the capital city of Kinshasa. The village has no running water or electricity. There is a hospital, but it has no radio, phone, or ambulances, and communication is done by motorbike messenger.[2]

1976 Ebola outbreak/ First known outbreak of Ebola

The 1976 outbreak of Ebola virus disease in Zaire began in late August. It was the second outbreak of Ebola, occurring shortly after the earlier 1976 outbreak in Sudan, and was the first known outbreak of Ebola. In total, 280 of the 318 cases of Ebola in Zaire resulted in death, a mortality rate of nearly 90 percent.[citation needed]

Epidemiology

Mabalo Lokela, the headmaster of a local school in Yambuku, was the first case of the 1976 outbreak of Ebola virus disease in Zaire.[3] Lokela had toured with a Yambuku mission in August 1976 near the Central African Republic border and along the Ebola River—the namesake of Ebola virus disease and the origin of the outbreak.[4]

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Lokela was initially diagnosed with malaria at the Yambuku Mission Hospital and given quinine. However, Lokela returned to the mission hospital on 1 September with a high fever.[4] Rest was recommended, and he returned home to his village of Yalikonde, about one kilometer from the mission complex. By 5 September, Lokela was in a critical condition with profuse bleeding from all orifices, vomiting, acute diarrhea, chest pains, headache, fever and in an agitated and confused state.[4] Lokela died shortly afterwards on 8 September.[5] On 28 August, a second man presented symptoms, claiming he was from the nearby village of Yandongi.[4] He left the hospital on 30 August, as no clear cause could be identified from his symptoms, and was not seen again. On the same day, Yombe Ngongo, a patient at the hospital receiving treatment for anemia, checked out of the hospital and returned to her village. She soon fell seriously ill, and was tended to by her younger sister Euza. Yombe Ngongo died on 7 September, and her sister Euza followed on 9 September.[4]

The 1976 outbreak of Ebola occurred in Zaire, pictured in dark green, and additional cases occurred in present-day South Sudan, pictured in light green.

Soon after Lokela's visit, a number of other cases were presented at the Yambuku Mission Hospital. A report from the World Health Organization (WHO) noted that "almost all subsequent infections had either received injections at the hospital or had had close contact with another case."[5] Shortly after family members prepared his body for burial, in accordance with local customs, 21 of Lokela's friends and relatives fell seriously ill and 18 later died.[4] The mission hospital's reuse of unsterilized needles also contributed to the spread of infection.[6]

Yambuku Mission Hospital was a remote Catholic hospital and had no doctors and no laboratory facilities to aid in diagnosis.[4] Treatment was conducted by four Belgian nuns, a priest, one female nurse from Zaire, and seven male Zaireians.[4] Urgent pleas for assistance were sent out on 12 September. On 15 September, the first doctor to arrive, Mgoi Mushola, prepared a report in which he noted that none of the many treatments provided met with success. He had inadvertently produced the first description of Ebola virus disease.[4]

Peter Piot, a microbiologist and physician who investigated the ensuing epidemic, concluded that it was inadvertently caused by the Sisters of Yambuku Mission Hospital, who had given unnecessary vitamin injections to pregnant women in their prenatal clinic without sterilizing the needles and syringes.[7][8]

In all, 318 cases of Ebola were identified in Zaire, and 280 resulted in death. An additional 284 cases and 151 deaths occurred in nearby South Sudan in an unrelated outbreak. Yambuku Mission Hospital was closed after 11 of its 17 staff members died. Belgian nuns serving the community were also infected, and two of them died, along with Mayinga N'Seka, a Zairean nurse, after the group was transported to Kinshasa. With assistance from the WHO, the outbreak was eventually contained by quarantining local villagers in their communities, sterilizing medical equipment, and providing protective clothing to medical personnel. The small Congolese Air Force provided helicopters to allow the outbreak team to visit 550 villages in the area.[4]

History

Further information: List of Ebola outbreaks

The table below indicates the 10 outbreaks that have occurred since 1976:

Timeline of Ebola outbreaks in the Democratic Republic of the Congo (formerly Zaire) since 1976
V・T
Date		 Country Major location Outbreak information Source
Strain Cases Deaths CFR
Aug 1976 Zaire Yambuku EBOV 318 280 88% [9]
Jun 1977 Zaire Tandala EBOV 1 1 100% [10][11]
May–Jul 1995 Zaire Kikwit EBOV 315 254 81% [12]
Aug–Nov 2007 Democratic Republic of the Congo Kasai-Occidental EBOV 264 187 71% [13]
Dec 2008–Feb 2009 Democratic Republic of the Congo Kasai-Occidental EBOV 32 14 45% [14]
Jun–Nov 2012 Democratic Republic of the Congo Orientale BDBV 77 36 47% [10]
Aug–Nov 2014 Democratic Republic of the Congo Tshuapa EBOV 66 49 74% [15]
May–Jul 2017 Democratic Republic of the Congo Likati EBOV 8 4 50% [16]
Apr–Jul 2018 Democratic Republic of the Congo Équateur Province EBOV 54 33 61% [17]
Aug 2018–June 2020 Democratic Republic of the Congo Kivu EBOV 3,470 2,280 66% [18]
June–Nov 2020 Democratic Republic of the Congo Équateur Province EBOV 130 55 42% [19]
Feb 2021–May 2021 Democratic Republic of the Congo North Kivu EBOV 12 6 50% [20]
April 2022 Democratic Republic of the Congo Équateur Province EBOV 5 5 100% [21][22]
August 2022 Democratic Republic of the Congo North Kivu EBOV 1 1 100% [23]

See also

References

  1. ^ Hewlett, Barry; Hewlett, Bonnie (2007). Ebola, Culture and Politics: The Anthropology of an Emerging Disease. Cengage Learning. p. 103. Retrieved 31 July 2014.
  2. ^ Poon, Linda (3 May 2015). "What Happens To A Country When An Outbreak Of Ebola Ends?". NPR. Retrieved 4 May 2015.
  3. ^ http://www.ft.com/cms/s/2/4c1711c2-d004-11e3-a2b7-00144feabdc0.html "Ebola Ground Zero My Journey Back" Financial Times 3 May 2014
  4. ^ a b c d e f g h i j Garrett, Laurie (1994). The Coming Plague: Newly Emerging Diseases in a World of out Balance. London: Virago Press. pp. 100–105. ISBN 1-86049-211-8.
  5. ^ a b "Ebola hemorrhagic fever in Zaire, 1976" (PDF). Bulletin of the World Health Organization. 56 (6): 271. 1978. Retrieved 4 August 2014.
  6. ^ Preston, Richard (1994). The Hot Zone (PDF). Random House.
  7. ^ Peter Piot (11 August 2014). "Part one: A virologist's tale of Africa's first encounter with Ebola". ScienceInsider.Free access
  8. ^ Peter Piot (13 August 2014). "Part two: A virologist's tale of Africa's first encounter with Ebola". ScienceInsider.Free access
  9. ^ Report of an International Commission (1978). "Ebola haemorrhagic fever in Zaire, 1976". Bulletin of the World Health Organization. 56 (2): 271–293. ISSN 0042-9686. PMC 2395567. PMID 307456.
  10. ^ a b "Years of Ebola Virus Disease Outbreaks". www.cdc.gov. 18 May 2018. Retrieved 22 May 2018.
  11. ^ Heymann, D. L.; et al. (1980). "Ebola Hemorrhagic Fever: Tandala, Zaire, 1977–1978". Journal of Infectious Diseases. 142 (3): 372–76. doi:10.1093/infdis/142.3.372. PMID 7441008.
  12. ^ Khan, A. S.; Tshioko, F. K.; Heymann, D. L.; Le Guenno, B.; Nabeth, P.; Kerstiëns, B.; Fleerackers, Y.; Kilmarx, P. H.; Rodier, G. R.; Nkuku, O.; Rollin, P. E.; Sanchez, A.; Zaki, S. R.; Swanepoel, R.; Tomori, O.; Nichol, S. T.; Peters, C. J.; Muyembe-Tamfum, J. J.; Ksiazek, T. G. (1999). "The reemergence of Ebola hemorrhagic fever, Democratic Republic of the Congo, 1995". The Journal of Infectious Diseases. 179 Suppl 1: S76–86. doi:10.1086/514306. ISSN 0022-1899. PMID 9988168. S2CID 12364499.
  13. ^ "Outbreak news. Ebola virus haemorrhagic fever, Democratic Republic of the Congo--update". Relevé Épidémiologique Hebdomadaire. 82 (40): 345–346. 5 October 2007. ISSN 0049-8114. PMID 17918654.
  14. ^ "WHO | End of Ebola outbreak in the Democratic Republic of the Congo". www.who.int. Retrieved 22 May 2018.
  15. ^ "Congo declares its Ebola outbreak over". Reuters. November 15, 2014. Retrieved 22 May 2018.
  16. ^ "Democratic Republic of the Congo Ebola virus" (PDF). World Health Organization. Retrieved 22 May 2018.
  17. ^ "Ebola virus disease – Democratic Republic of the Congo: Disease outbreak news, 25 July 2018". ReliefWeb. Retrieved 26 July 2018.
  18. ^ "DR Congo's deadliest Ebola outbreak declared over". BBC News. 25 June 2020. Retrieved 25 June 2020.
  19. ^ "UNICEF welcomes end of Ebola outbreak in the Equateur Province of the DRC". www.unicef.org. Retrieved 18 November 2020.
  20. ^ "European Centre for Disease Prevention and Contro" (PDF). COMMUNICABLE DISEASE THREATS REPORT Week 18, 2-8 May 2021. Retrieved 20 June 2021.
  21. ^ "Five Ebola virus patients in DR Congo reported dead: WHO". BERNAMA. 25 May 2022. Retrieved 13 June 2022.
  22. ^ "5 Ebola virus patients in DR Congo reported dead: WHO". www.aa.com.tr. Retrieved 13 June 2022.
  23. ^ "The Democratic Republic of the Congo declares Ebola resurgence in North Kivu". WHO | Regional Office for Africa. Retrieved 7 April 2023.

Further reading

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