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INDIANAPOLIS – The state’s first West Nile virus (WNV) disease case for the 2025 season has been reported in a Vanderburgh County resident. No additional information about the case will be released to protect patient privacy.
West Nile virus activity has also been detected in mosquitoes throughout the state (56 samples taken from 15 counties). Visit the Indiana Mosquito-Borne Activity Dashboard to learn more. Indiana reported 11 human WNV cases in 2024. The Indiana Department of Health expects to see additional West Nile virus cases as the mosquito season progresses. Taking precautions against mosquito bites can reduce the risk of disease caused by mosquito-borne viruses such as West Nile virus, Eastern equine encephalitis (triple-E) virus, and La Crosse virus. “We have already had mosquitoes test positive for WNV this season,” said State Health Commissioner Lindsay Weaver, M.D., FACEP. “With large amounts of recent rainfall and projected high temperatures continuing this week, Hoosiers in all parts of the state should take steps to remove breeding sites around their homes.”
Steps to prevent mosquito-borne diseases include:
Most people infected with West Nile virus have no symptoms or only mild flu-like symptoms which can include fever, headache, body aches, joint pains, vomiting, diarrhea, or a rash. A small number will develop a more severe form of the disease affecting the nervous system, including inflammation in the brain and spinal cord, muscle paralysis, or even death.
People older than 60 years and those with weakened immune systems are at higher risk of severe West Nile virus disease. People who think they may have West Nile virus disease should see their healthcare providers. |
