Health officials advise that mosquitoes in the Upper Valley have tested positive for West Nile Virus. West Nile Virus is the leading cause of mosquito-borne disease in the continental United States.

Cases of West Nile virus are springing up earlier this year in North Dakota due to wet weather creating prime mosquito breeding grounds, according to a state health official.

A Valencia County resident has been infected by West Nile virus, marking the first confirmed human case of the disease in New Mexico in 2025, the state Department of Health announced Thursday.

The New Mexico Department of Health has confirmed the first human West Nile virus infection in 2025. The resident is from ...

A Valencia County resident has been infected by West Nile virus, marking the first confirmed human case of the disease in New Mexico in 2025, the state Department of Health announced Thursday. The ...

The New Mexico Department of Health has confirmed the first West Nile virus case of 2025 in the state on Thursday. According ...