A new strain of norovirus now makes up a majority of outbreaks nationwide, according to data from the Centers for Disease Control and Prevention. The new strain's emergence, found spreading throughout ...
A strain of bird flu never seen in humans has infected a Washington state resident and left the person hospitalized, state health authorities said. Washington State Department of Health authorities ...
H5N5 is not believed to be a greater threat to human health than the H5N1 virus, which was behind a wave of human infections in the U.S. in 2024 and 2025.