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Diseases & Topics

Zika Virus

Zika Virus General Information

Zika virus disease (Zika) is a disease caused by Zika virus that is spread to people primarily through the bite of an infected Aedes species mosquito. The most common symptoms of Zika are fever, rash, joint pain, and conjunctivitis (red eyes). The illness is usually mild with symptoms lasting for several days to a week after being bitten by an infected mosquito. People usually don’t get sick enough to go to the hospital, and they very rarely die of Zika. For this reason, many people might not realize they have been infected. Once a person has been infected, he or she is likely to be protected from future infections.

Health Care Provider Recommendations

Zika Virus Provider Updated Memo - March 1, 2019 (PDF, 425 KB)

Health care providers should ask all pregnant women about recent travel. Pregnant women who develop symptoms consistent with Zika virus infection within two weeks of travel to an area with ongoing transmission should be evaluated by a health care provider and recommended for testing.

Ultrasound evaluation to identify fetal microcephaly or intracranial calcifications is recommended for asymptomatic pregnant women reporting travel during the current pregnancy to an area with ongoing transmission.

For Additional Information

CDC Guidelines External link on Screening Patients for Zika Virus