Researchers first identified the Zika virus in 1947 after a fever developed in a rhesus monkey
Many scientists believe the 2007 strain of Zika has mutated from the original virus, with increased virulence
The turnoff into the Zika Forest is easy to miss, just a small break in the tree line along the main road between Entebbe Airport and Uganda’s capital, Kampala. A worn-out sign announcing its start only comes into view after a journey down a small dirt path.
The explosive spread of the Zika virus may have caught the world by surprise, but its namesake, the forest preserve near the edge of Lake Victoria, isn’t a place to just stumble on to. The researchers who have been coming here for more than a half-century come with a purpose: to study viruses and the mosquitoes that carry them.