Zika's origin and global spread

Reuters | .

The following timeline charts the origin and spread of the Zika virus from its discovery nearly 70 years ago:

1947: Scientists researching yellow fever in Uganda's Zika Forest identify the virus in a rhesus monkey

1948: Virus recovered from Aedes africanus mosquito in Zika Forest

1952: First human cases detected in Uganda and Tanzania

1954: Virus found in Nigeria

1960s-80s: Zika detected in mosquitoes and monkeys across equatorial Africa

1969–83: Zika found in equatorial Asia, including India, Indonesia, Malaysia and Pakistan

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