Health officials say West Nile virus activity spikes with mosquitoes in summer months going into fall, and this week, that fact is surely on display. States across the U.S. — from Wyoming to Colorado, ...

Summer and fall are peak seasons for the West Nile Virus. According to the Center for Disease Control, West Nile cases have been reported in humans from California to New York this year. As of late ...

West Nile virus is the leading cause of mosquito-borne illness in the continental United States. As of Sept. 23, over 1,100 human cases of West Nile disease have been reported across 42 states, ...

Cases of the potentially life-threatening virus have been found across 42 states in the U.S. in 2025 Toria Sheffield joined the PEOPLE editorial staff in 2024. Her work as a writer/editor has ...

Cases of the potentially life-threatening virus have been found across 42 states in the U.S. in 2025 Two additional cases of West Nile virus have been confirmed in Massachusetts This brings the total ...