Timeline - Zika's origin and global spread

An edes aegypti mosquito is seen inside a test tube as part of a research on preventing the spread of the Zika virus and other mosquito-borne diseases at a control and prevention center in Guadalupe, neighbouring Monterrey, Mexico, March 8, 2016. REUTERS/Daniel Becerril/File Photo

(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