10 pregnant women in Dallas County tested positive for Zika, health director says

Ten pregnant women in Dallas County have tested positive for the Zika virus, the county’s health director said Tuesday.

The women had all traveled to other countries and contracted the virus from mosquitoes abroad, Zachary Thompson told the Dallas County Commissioners Court. No one has contracted Zika from bites in the U.S., but officials are concerned that mosquitoes here will bite an infected patient and then start a local outbreak.