The Centers for Disease Control and Prevention, a federal agency under the U.S. Department of Health, maintains a record of all known cases and outbreaks of Ebola Hemorrhagic Fever, listed in chronological order, starting from 1976. Each case includes the year, location, Ebola subtype, reported number of human cases and fatalities.
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1. Yambuku, Democratic Republic of Congo, 1976
280 deaths of 318 reported cases of Zaire ebolavirus. Occurred in Yambuku and surrounding area. Disease was spread by close personal contact and by use of contaminated needles and syringes in hospitals/clinics. This outbreak was the first recognition of the disease, killing 88% of infected.
2. Nzara, South Sudan, 1976
151 deaths of 284 reported cases of Sudan ebolavirus. Occurred in Nzara, Maridi and the surrounding area. Disease was spread mainly through close personal contact within hospitals. Many medical care personnel were infected.
3. Tandala, Democratic Republic of Congo, 1977
1 death of 1 reported cases of Zaire ebolavirus
7. Kikwit, Dem. Rep. of Congo, 1995
250 deaths of 315 reported cases of Zaire ebolavirus. Occurred in Kikwit and surrounding area. Traced to index case-patient who worked in forest adjoining the city. Epidemic spread through families and hospitals, killing 81% of infected.
12. Not specified, Republic of Congo, 2001
43 deaths of 57 reported cases of Zaire ebolavirus
16. Luebo, Democratic Republic of Congo, 2007
187 deaths of 264 reported cases of Zaire ebolavirus
18. Luebo, Democratic Republic of Congo, 2008
15 deaths of 32 reported cases of Zaire ebolavirus
20. Kibaale District, Uganda, 2012
4 deaths of 11 reported laboratory-confirmed cases of Sudan ebolavirus
21. Isiro Health Zone, Democratic Republic of Congo, 2012
13 deaths of 36 reported laboratory-confirmed cases of Bundibugyo ebolavirus
22. Luwero District, Uganda, 2012
3 deaths of 6 reported laboratory-confirmed cases of Sudan ebolavirus
23. Guinea, Sierra Leone, Liberia, 2014
574 deaths of 1009 reported laboratory-confirmed cases of Zaire ebolavirus, to date. Ongoing outbreak across Guinea, northern Liberia, and now eastern Sierra Leone. Numbers of patients is constantly evolving due to the on-going investigation.
Source: Centers for Disease Control and Prevention