Scientists wrestle with possibility of second Zika-spreading mosquito
It’s not yet clear whether Asian tiger mosquitoes will be important virus carriers and worsen outbreak
DOUBLE TROUBLE OR NOT Researchers don’t yet know whether the Asian tiger mosquito (Aedes albopictus, right) will join the yellow fever mosquito (Ae. aegypti, left) as a notable spreader of Zika virus in the current outbreak. A two-mosquito scenario would expose more people.
Both: James Gathany/CDC