A new mosquito species in Colorado is capable of carrying dengue, yellow fever and Zika, while kissing bugs can now carry parasites that cause Chagas disease.

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, ...

ST. PAUL — As West Nile virus season wraps up in the region, it’s turning out to be among the worst ever for Minnesota and above average for North Dakota. Each state is reporting higher-than-average ...

MISSOURI, USA — Three people have died and 15 have been hospitalized by West Nile virus in Missouri as of Oct. 4, according to the Missouri Department of Health and Senior Services. At least 16 cases ...

JEFFERSON COUNTY, Mo. – The Missouri Department of Health and Senior Services is warning Missourians to be cautious after a surge in West Nile virus cases. Twenty-two human cases of the virus have ...

Many communities have active mosquito control programs. Researchers make concerning discovery while studying mosquitoes in US ...

LOUISVILLE, Ky. (WDRB) -- Louisville health leaders said nine human cases of West Nile virus have been confirmed so far in 2025, seven of whom have required hospitalization. In a news release Tuesday, ...

DuPage County officials on Thursday announced the county's first West Nile virus death of the year, the second in Illinois in 2025. A person in their 80s who became ill in August has died of the virus ...