2015–2016 Zika virus epidemic – Wikipedia

The Zika virus was first isolated in 1947, in a rhesus monkey in a forest near Entebbe, Uganda. Although serologic evidence indicated additional human exposure during subsequent decades in parts of Africa and Asia, before the 2007 Yap Islands Zika virus outbreak, only 14 cases of human Zika virus disease had been documented. Researchers generally believe the virus was brought to Brazil by an …

https://en.wikipedia.org/wiki/2015%E2%80%9316_Zika_virus_epidemic