Zika is a virus that is mainly spread by the bite of an infected mosquito, though other routes of infection are possible. The virus was named in 1947 when scientists surveilling Uganda's Zika forest for yellow fever (a different viral illness) isolated the virus in samples taken from a rhesus monkey. The following year, the virus was… Continue reading What Is Zika Virus? Symptoms, Causes, Diagnosis, Treatment, and Prevention