Zika Virus Disease

Zika is a disease that is spread by mosquitoes (Aedes albopictus and Aedes aegypti). These mosquitoes also spread chikungunya and dengue. Symptoms of Zika include fever, rash, joint pain, and redness of the eyes. Muscle pain and headache also occur. These symptoms usually last for several days to a week. Hospitalization and death are not common with Zika infections. Currently in the United States and in West Virginia, Zika is associated with travel to countries where transmission is being reported (e.g. countries in the Caribbean, Central America, and South America).


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Key Zika Facts

Symptoms of Zika virus are mild and include fever, rash, joint pain, and redness of the eyes (conjunctivitis). Infection is not usually fatal and seldom warrants hospitalization. Nearly 80% of people infected develop no symptoms.

Public health agencies investigating Zika virus outbreaks are finding increasing evidence that there is a link between the microcephaly, a birth defect where a baby’s head is smaller than expected, and zika virus infection in pregnant mothers.

Zika virus can be transmitted through the bite of infected mosquitoes such as Aedes albopictus, which is common in West Virginia and the US. It is important infected persons avoid mosquito bites to prevent disease transmission. Use insect repellents containing DEET, picaridin, IR3535, or oil of eucalyptus to keep mosquitoes away.

Key Zika Updates

Health Alerts

Zika Virus Cases in West Virginia

Type of Zika Case Case Count***
Travel-associated* 0
Locally Acquired** 0
Positive Viremic Blood Donor 1
_______________________________________________________________ *: Case became infected with Zika Virus while traveling outside of West Virginia. There were 11 confirmed travel-associated Zika cases for WV in 2016. For more information on Zika-affected areas, click here.
**: Case became infected with Zika virus in West Virginia.
***: Counts updated: 6/1/2017 11:12 AM (EST)

ALL cases of Zika virus disease are to be reported to the local health department within

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