The Washington Times  |  August 20, 2017

“Zika epidemics, in a way, act like a vaccine. Once enough inhabitants of a country or community are infected, they develop immunity,” said Lawrence O. Gostin, a law professor at Georgetown University. ” At a certain point it then becomes much harder for the disease to spread because there is a similar kind of herd immunity that one would expect from a vaccine.”

Read more here.