FIRST HUMAN CASE OF WEST NILE VIRUS REPORTED IN WAUKESHA COUNTY
The majority of WNV human cases in the state occur during the months of August and September. However, the risk of contracting WNV and other mosquito-borne illnesses is present anytime mosquitoes are active. “It is important for people to be vigilant about preventing mosquito bites throughout the summer and early fall,” advised Benjamen Jones, Public Health Division Manager, Waukesha County Department of HHS.
The chances of a person contracting WNV are low. Most people infected with WNV will not have any symptoms. Those who become ill may develop a fever, headache, and rash that lasts a few days. Symptoms may begin between 3 to 15 days after being bitten by an infected mosquito. In rare cases, WNV can cause severe disease with symptoms such as muscle weakness, stiff neck, disorientation, tremors, convulsions, paralysis, and coma. Older adults and people with compromised immune systems are at an increased risk of severe disease from the virus.
There is no specific treatment for West Nile Virus other than to treat symptoms. Persons concerned they may have West Nile Virus infection should contact their healthcare provider.
WNV is spread to people through the bite of an infected mosquito and is not transmitted person to person. Although few mosquitoes actually carry the virus, tips to minimize your exposure and eliminate breeding grounds for mosquitoes include:
Since 2001, the Department of Health Services has monitored the spread of West Nile Virus among wild birds, horses, mosquitoes, and people. During 2002, the state documented its first human infections and 52 cases were reported that year. During 2017, 51 cases of West Nile Virus infection were reported among Wisconsin residents. West Nile Virus infections in humans have been reported from June through October.
Surveillance for West Nile Virus will continue until the end of the mosquito season. For information on West Nile Virus: https://www.dhs.wisconsin.gov/arboviral/westnilevirus.htm
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