Ebola History Ebola History in the 1980s There was one confirmed outbreak in the 1980s. When monkeys were imported to research facilities in the United States from the Philippines, the Ebola-Reston virus caused severe illness and death in the monkeys, and several research workers became infected with the virus but did not become ill. History of the Disease in the 1990s In the 1990s, there were 10 confirmed Ebola outbreaks, as the following table explains. Year Ebola subtype Country No. of human cases Percentage of deaths among cases Outbreak details 1990 Ebola-Reston USA 0 0% Ebola-Reston virus was introduced once again into quarantine facilities in Virginia and Texas by monkeys imported from the Philippines. Four humans developed antibodies but did not get sick. 1992 Ebola-Reston Italy 0 0% Ebola-Reston virus was introduced into quarantine facilities in Sienna by monkeys imported from the same export facility in the Philippines that was involved in the episodes in the United States. No humans were infected. 1994 Ebola-Zaire Gabon 49 59% Occurred in Mékouka and other gold-mining camps deep in the rainforest. Initially thought to be yellow fever; identified as Ebola hemorrhagic fever in 1995. 1994 Ebola-Ivory Coast Ivory Coast 1 0% Scientist became ill after conducting an autopsy on a wild chimpanzee in the Tai Forest. The patient was treated in Switzerland. 1995 Ebola-Zaire Democratic Republic of the Congo (formerly Zaire) 315 81% Occurred in Kikwit and surrounding area. Traced to index case-patient who worked in forest adjoining the city. Epidemic spread through families and hospitals. 1996 Ebola-Zaire Gabon 31 68% Occurred in Mayibout area. A chimpanzee found dead in the forest was eaten by people hunting for food. Nineteen people who were involved in the butchery of the animal became ill; other cases occurred in family members. 1996 Ebola-Zaire Gabon 60 75% Occurred in Booué area with transport of patients to Libreville. Index case-patient was a hunter who lived in a forest camp. Disease was spread by close contact with infected persons. A dead chimpanzee found in the forest at the time was determined to be infected. 1996 Ebola-Zaire South Africa 2 50% A medical professional traveled from Gabon to Johannesburg, South Africa, after having treated Ebola virus-infected patients and thus having been exposed to the virus. He was hospitalized, and a nurse who took care of him became infected and died. 1996 Ebola-Reston USA 0 0% Ebola-Reston virus was introduced into a quarantine facility in Texas by monkeys imported from the Philippines. No human infections were identified. 1996 Ebola-Reston Philippines 0 0% Ebola-Reston virus was identified in a monkey export facility in the Philippines. No human infections were identified.
Posted on: Fri, 01 Aug 2014 16:54:04 +0000
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