Mosquito-borne illnesses are on the rise in Iowa, with Polk County reporting its highest levels of West Nile virus activity in over two decades. The Centers for Disease Control and Prevention (CDC) reports 219 cases nationwide, including one in northern Iowa.
According to the Polk County Health Department, most people don’t exhibit symptoms after being bitten by infected mosquitoes, but those who do may experience fever, headache, and body aches. In severe cases, West Nile virus can lead to encephalitis or meningitis.
While cities like Des Moines and Pleasant Hill have suspended mosquito spraying due to budget concerns, residents can take steps to protect themselves from bites. The CDC recommends using DEET-based bug spray, wearing long sleeves and pants, and staying indoors during peak mosquito hours (dusk and dawn).
To prevent mosquito breeding, cities can use targeted spraying measures. However, individual actions can also make a difference in reducing the risk of being bitten. By taking these precautions, Iowans can minimize their exposure to West Nile virus.
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Source: https://eu.desmoinesregister.com/story/news/health/2025/08/14/mosquito-bite-infection-west-nile-virus-symptoms-iowa/85662251007