As of September 1, 2026, 407 human cases of West Nile virus have been reported in 40 U.S. states, of which 285 are neuroinvasive cases. Arizona leads with 88 cases, followed by California with 66 and Texas with 46.
As of September 1, 2026, 407 human cases of West Nile virus have been reported in 40 U.S. states, of which 285 are neuroinvasive cases. Arizona leads with 88 cases, followed by California with 66 and Texas with 46.
