Another Mosquito-Borne Virus Moves North From the Amazon

Zika, dengue, chikungunya: As if there weren't enough mosquito-borne viruses to worry about, researchers say another has been spotted for the first time in Haiti. Blood test results revealed that an 8-year-old boy living in a rural area of the Caribbean country has contracted Mayaro virus. The infection was diagnosed after the boy developed a fever and belly pain, the researchers said.