CDC urges people to prevent mosquito bites as West Nile virus season hits a strong, early start

The CDC warns of an early and severe West Nile virus season, with 48 confirmed cases (38 severe) reported by June 30—far exceeding the 10-year average for the period. Arizona has the most cases, including four deaths, prompting officials to urge mosquito bite prevention measures like DEET-based repellent and eliminating standing water.