Understanding Zika's silent presence in Africa is key to tackling the next epidemic: Finding Zika's roots can help contain the virus. ShutterstockThe Zika virus emerged in northeast Brazil in early 2015. By September the first cases of infants born with microcephaly had been reported in 8 of 26 Brazilian states. Microcephaly is a birth defect where the baby’s head is … [Read more...] about Understanding Zika’s silent presence in Africa is key to tackling the next epidemic | The Conversation