Virus spread by mosquitoes linked to rare birth defect
Brazil sees sharp rise in babies born with abnormally small heads
RISE IN BIRTH DEFECTS In Brazil, a spike in the number of children born with suspected microcephaly in 2015 coincides with the spread, starting in May 2015, of Zika virus infections carried by mosquitoes like this Aedes aegypti.
Source: Brazil Ministry of Health. Graph: E. Otwell; mosquito: James Gathany/CDC