H5N1 Bird Flu Spreads to Poultry in 12 States, Raising Concerns Over Los Angeles Food Supply Ties to Central Valley Farms

H5N1 bird flu has spread to commercial poultry in 12 U.S. states, raising concerns about agricultural worker safety and the vulnerability of Los Angeles food supply chains tied to California’s Central Valley, where experts warn surveillance gaps and ongoing outbreaks could heighten biosecurity risks.