From the World Health Organization:
A chronological map of the presence of Zika only in those countries for which there is evidence of indigenous transmission by mosquitos, excluding the many countries that have notified imported Zika. infections.
The following timeline summarizes the spread of Zika infection, country by country, from the earliest discovery in 1947 to the latest information as of 7 February 2016. Zika virus infection appears to have changed in character while expanding its geographical range.
Direct to Complete Timeline
Source: Check For Updates
See Also: Interactive Chart: Zika Cases Reported by Countries/Territories in Americas, 2015-Present
This resource is updated weekly.