Journal of Infectious Diseases
Volume 215, Issue 10  15 May 2017
https://academic.oup.com/jid/issue

Viruses
Continued Transmission of Zika Virus in Humans in West Africa, 1992–2016
Bobby Brooke Herrera; Charlotte A. Chang; Donald J. Hamel; Souleymane Mboup; Daouda Ndiaye …
This study describes Zika virus seroprevalence of 6.2% in Senegal and Nigeria over a 20-year period, demonstrating previously unrecognized persistence in human populations and concurrent infection with HIV/malaria.