About 5 percent of pregnant women infected with Zika in Puerto Rico and other U.S. territories last year had babies with birth defects, says the federal health agency. And the risk isn't over.
The deal to fight the mosquito-borne virus came after lawmakers dropped a controversial provision to block payments to Planned Parenthood for women's health care.
A virus is generally like a little ball with a few genes. Now scientists have found one that's broken up into five little balls — as if it were dismembered.
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.
A study finds that the Anopheles arabiensis species of mosquitoes, a major carrier of malaria in sub-Saharan Africa, is repelled by the smell of chicken.