Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

The individual in question had recently returned from eastern Africa, the state health department said. Also in the news: bird flu, covid, and dengue fever.

H5N1 bird flu raises alarm as human cases emerge in California and Oregon. Discover the implications and ongoing health ...