The concern is not the virus itself but the cluster of brain-damaged babies born to pregnant women who had been infected with the mosquito-borne disease.
The WHO says the possible link between serious birth defects and the Zika virus is a global health emergency. Renee Montagne talks to Laura Harrington, an entomologist at Cornell University.
WHO Director General Margaret Chan called the meeting for Monday in Geneva to decide whether the Zika virus outbreak rises to a public health emergency that would be of international concern.
Some governments responded to the Zika epidemic by asking women to delay getting pregnant. Missionary doctor David Vanderpool says the reality for women in Zika-affected areas is far more complex.
In 1965, the U.S. faced an epidemic of German measles that, like the Zika outbreak, was linked to birth defects. It changed the way this country talked about abortion.
The advice for avoiding Zika virus: Don't get bitten by mosquitoes in countries where the virus is spreading. So which repellents work — and which don't?
A meeting next week will determine if the Zika virus is an international health emergency. Renee Montagne talks to Dr. Anthony Fauci, head of the National Institute of Allergy and Infectious Diseases.
An investigation is finding "profound abnormalities" in babies with microcephaly who are born to Brazilian mothers suspected of having the Zika infection.