Federal health officials are cautioning pregnant travelers to avoid a Miami neighborhood where at least 14 cases of Zika have been traced to local mosquitoes. What about the rest of Florida?
Officials say they've found the first indication that mosquitoes are transmitting Zika virus in the U.S. Four people in South Florida are infected; travel or sexual transmission has been ruled out.
Health officials put blood donations in South Florida on pause until it's known whether four cases of Zika virus were caused by mosquitoes in the U.S., or until blood donations can be screened.
Health officials think two people in Miami may have contracted the virus from local mosquitoes. So they're spraying pesticide to help stop the virus from spreading into Florida's mosquito population.
Federal and Utah health officials are investigating a case that may be the first instance of Zika spreading from one person to another in ways other than via mosquito bites, sex or the placenta.
Author Donald. G. McNeil Jr. predicts that 2016 will be the worst year for Zika transmission in the U.S. "After this year, a fair number of people will be immune, and ... immunity will grow," he says.
A new study offers some intriguing clues.
Consumers worried that health issues might thwart a planned vacation may want to look into travel insurance that allows them to cancel the trip for any reason.