Esper and the Merry TWiXters analyze the latest data on Zika virus and microcephaly in Brazil, and discuss publications on a mouse model for disease, infection of a fetus, mosquito vector competence, and the cryo-EM structure of the virus particle.

Greg Smith joins the TWiVirate to reveal how his lab discovered a switch that controls herpesvirus neuroinvasion, and then we visit the week’s news about Zika virus.