What Is Zika in the United States
Zika is a mosquito-borne virus that has appeared in the United States, primarily through travel-related infections and local mosquito transmission in certain regions. Most cases are linked to areas with active Zika transmission.
How Zika Spreads
The virus spreads mainly through the bite of infected Aedes mosquitoes, which are found in parts of the southern and southeastern United States. It can also spread through sexual contact and from a pregnant person to the fetus.
Symptoms, Risks, and Prevention
Common symptoms include fever, rash, joint pain, and conjunctivitis, often mild and lasting several days. The greatest concern is the link between Zika and serious birth defects if infection occurs during pregnancy. Prevent mosquito bites with repellent, long sleeves, and window screens. For current guidance, see the Centers for Disease Control and Prevention Zika page.
