A Texas man who had traveled to Venezuela passed the Zika virus to his male partner through sex. CDC officials say that people should be aware that Zika can be transmitted through semen.
The Obama administration requested $1.9 billion in emergency funds to prepare for Zika, but Congress has yet to respond. Now the White House plans to divert funding intended for Ebola.
Researchers drop in. They take specimens. And they head home and don't share. That's no way to fight an epidemic. Can they do things differently when it comes to Zika?
To figure out how the outbreak began, scientists decoded the genomes of Zika viruses in Brazil. The findings suggest Zika could be hiding out in other corners of the world.
Forty-seven years after a vaccine against rubella was created, the virus still harms about 300 newborns every day, worldwide. Even a cheap vaccine can be a financial burden for poorer countries.
When summer brings heat, humidity and mosquitoes, cities along the Gulf Coast may become gateways for Zika into the U.S. Impoverished areas are likely to bear the brunt, health officials say.
The "new microcephaly." That's what doctors in Brazil are calling the birth defect believed to be caused by the Zika virus because it seems much worse than cases that have occurred for other reasons.
Getting an accurate diagnosis is a big hurdle in the current outbreak of Zika virus. There are three kinds of tests for Zika, and each has problems. Scientists are working hard to improve diagnosis.