Nov 8 2021 9:35AMAbout Zika Virus Zika is spread mostly by the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus). These mosquitoes bite during the day and night. Zika can be passed from a pregnant woman to her fetus. Infection during pregnancy can cause certain birth defects. There is no vaccine or medicine for Zika. Symptoms, Testing, & Treatment of Zika Virus Many people infected with Zika virus won’t have symptoms or will only have mild symptoms. Your doctor may order a blood or urine test to help determine if you have Zika. There is no specific medicine for Zika. Prevention and Transmission of Zika Virus Zika is spread mostly by the bite of an infected Aedes species mosquito (Ae. aegypti and Ae. albopictus). These mosquitoes bite during the day and night. Prevent Zika by avoiding mosquito bites. Zika can be passed from a pregnant woman to her fetus. Infection during pregnancy can cause certain birth defects. Zika can be passed through sex from a person who has Zika to his or her sex partners. Condoms can reduce the chance of getting Zika from sex. Condoms include male and female condoms. No vaccine is currently available.