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
![Aedes mosquitoes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/05/051316_sm_mosquito_feat_free.jpg?fit=860%2C460&ssl=1)
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