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Yellow Fever

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The disease is caused by yellow fever virus, which belongs to the Flavivirus group. In Africa there are two distinct genetic types (called topotypes) associated with the East and West Africa. In South America there are two different types, but since 1974 only one has been identified as the cause of outbreaks of disease.

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Created by achiles97 9 years 4 weeks ago – Made popular 9 years 4 weeks ago
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