West Nile virus was first isolated from a patient from the West Nile district of northern Uganda, in Africa, in 1937. It came to the United States in 1999, and ...

BAKERSFIELD, Calif. (KERO) — Every year in Kern County people and animals are infected by the West Nile Virus. According to Kern County Public Health in 2019 there were 32 human cases.

Contra Costa County confirms its first 2025 avian West Nile virus case in a California scrub jay, prompting community engagement and preventive measures.

Kern County's first case of West Nile virus in a person this year was detected recently, the Kern County Public Health Services Department said Friday.

Kern County’s first human case of the year of mosquito-transmitted West Nile virus has been confirmed, Kern County Public Health Services said Friday. The department did not say where the person lived ...

Dr. Shikha Mishra, Kern Medical, explains that 80% of infected people show no symptoms, while serious cases can be life-threatening.