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CD News Alert

CD HEALTH ALERT: First Human West Nile Virus Case of the Season Reported in Orange County

Last week a woman in her 60s tested positive for West Nile Virus (WNV), becoming the first human WNV infection in Orange County this year, as compared to two cases at this time last year. As of August 25, 2023, the California Department of Public Health had reported 61 infections of human West Nile Virus statewide this season.

Vector-borne, particularly mosquito-borne disease, should be a consideration in those presenting with fever at this time of year. While WNV is endemic in Orange County, locally acquired malaria has been reported in other parts of the United States: CDC Health Update Important Updates on Locally Acquired Malaria Cases Identified in Florida, Texas, and Maryland. More info...