CDC Online Newsroom

About 1 in 10 U.S. pregnant women with confirmed Zika had a fetus or baby with birth defects in 2016. Nearly 1,300 pregnant women with evidence of possible Zika infection were reported in 44 US states in 2016.

As of July 7, Zika has been diagnosed in 5,582* people, including 672 pregnant women, in Puerto Rico according to a new report published today in the Morbidity and Mortality Weekly Report (MMWR).

In past Zika outbreaks, most people have not gotten sick, so people may not even know they are infected. Based on current knowledge, the greatest risk for complications from Zika is to a pregnant woman's fetus.

CDC is hosting a one-day Zika Action Plan Summit as the nation faces likely local mosquito-borne transmission of Zika virus in some places in the continental United States.

Zika virus is spread to people through mosquito bites. The most common symptoms of Zika virus disease are fever, rash, joint pain, and conjunctivitis (red eyes). The illness is usually mild with symptoms lasting from several days to a week. Severe