Zika & Blood Transfusion On August 26, 2016, FDA issued revised guidance, recommending that blood centers in all states and U.S. territories screen individual units of donated whole blood and blood components with a blood screening test authorized for use by FDA under an investigational new drug (IND) application, or with a licensed test when available.
Zika virus Overview Zika virus disease is caused by the Zika virus, which is spread to people primarily through the bite of an infected mosquito (
Aedes aegypti and
Aedes albopictus). The illness is usually mild with symptoms lasting up to a week, and many people do not have symptoms or will have only mild symptoms.
Questions about Zika Zika virus disease is caused by the Zika virus, which is spread to people primarily through the bite of an infected mosquito (
Aedes aegypti and
Aedes albopictus). The illness is usually mild with symptoms lasting up to a week, and many people do not have symptoms or will have only mild symptoms. However, Zika virus infection during pregnancy can cause a serious birth defect called microcephaly and other severe brain defects.