Aedes is the genus of mosquito that is the vector for Zika, Dengue, chikungunya, and yellow fever. The Aedes mosquitos bite in the day and night, although, may bite more during the day. Zika virus is an R.N.A. virus. Zika virus was first discovered in Central Africa and was thought to be a relatively benign virus. However, the Zika virus began infecting people in Brazil in 2015 and was found to be associated with congenital malformations and disabilities such as microcephaly (as well as other less severe birth defects) as well as miscarriages and fetal death. The Zika virus can pass through sexual contact and from pregnant people to the fetus or around the time of delivery in addition to transmission from a mosquito bite. Pregnant people and those considering becoming pregnant are recommended to avoid travel to regions with increased risk of Zika transmission (South America, Central America, Central Africa, and Southeast Asia). In 2016 and 2017, there were some cases of Zika in Florida and Texas. However, since 2019 there have been no reported cases of Zika virus infection in the United States. Infection with the Zika virus can be asymptomatic or give mild symptoms of fever, rash, muscle and joint pain, conjunctivitis, and headache. Signs and symptoms are usually not severe, and death from the Zika virus is rare. Zika is a reportable condition. There is no vaccine for the Zika virus.

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Fact Sheets and Posters | Zika virus | CDC