Short Answers to Hard Questions About Zika Virus

Photo credit: Felipe Dana/Associated Press

By Donald G. McNeil Jr.

The Centers for Disease Control and Prevention has warned pregnant women against travel to several countries in the Caribbean and Latin America where the Zika virus is spreading. Infection with the virus appears to be linked to the development of unusually small heads and brain damage in newborns. Here are some answers and advice about the outbreak.

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