In March 2024, dairy cows in Texas were found to be infected with highly pathogenic avian flu, or H5N1 bird flu, in the first known case of the virus spreading to cattle. Since then, H5N1 has been found in about 200 animals—and three people—across 12 states, according to the Centers for Disease Control and Prevention. The virus was soon detected in raw milk, leading researchers to investigate whether dairy products pose a risk to consumers. “How far is the virus getting through?” asked Erica Spackman, Ph.D., a virologist at the Read More