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A deadly brain-swelling illness spread by mosquitoes is on the rise in the US
The Independent • • health
Key Points:
- West Nile virus cases have spread across 30 U.S. states this year, causing at least eight deaths and over 180 reported infections, with Arizona and California being the most affected.
- Arizona has recorded 73 cases and five deaths, while California reports 30 cases and three deaths, including a recent hospitalization in Elk Grove.
- Idaho reported its first severe case this season in a 65-year-old resident, prompting health officials to urge protective measures against mosquito bites.
- The virus, transmitted primarily through mosquito bites, can cause severe neurological symptoms and is particularly dangerous for individuals with weakened immune systems; no specific treatment exists.
- Climate change-driven drought conditions, especially in the West, have increased West Nile virus transmission by concentrating mosquitoes and birds around shrinking water sources, despite some regions experiencing fewer mosquitoes this summer.
