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The Florida Department of Health works to protect, promote & improve the health of all people in Florida through integrated state, county, & community efforts.

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The Florida Department of Health in St. Johns County (DOH-St. Johns County) reminds residents of an increase in mosquito-borne disease activity within some of the sentinel chicken populations in St. Johns County. Sentinel chickens are used to detect some mosquito-borne illnesses. In St. Johns County, an increase in West Nile Virus (WNV) activity detected in our sentinel chicken populations. It is important to note that no known human cases of WNV are confirmed at this time. However, the potential for the risk of transmission to humans has increased.

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