Health and safety agents set up disinfection barriers to contain the first confirmed case of bird flu in commercial poultry, in the municipality of Montenegro, Rio Grande do Sul state, Brazil, Saturday, May 17, 2025. (AP Photo/Wesley Santos)An aerial view of an an excavator digging a trench to bury infected poultry on a commercial farm where a bird flu outbreak was detected, in the municipality of Montenegro, Rio Grande do Sul state, Brazil, Saturday, May 17, 2025. (AP Photo/Wesley Santos)This undated electron microscopic image provided by the Centers for Disease Control and Prevention shows two Influenza A (H5N1) virions, a type of bird flu virus. (Cynthia Goldsmith, Jackie Katz/CDC via AP)
Copyright 2025 The Associated Press. All rights reserved.
Health and safety agents set up disinfection barriers to contain the first confirmed case of bird flu in commercial poultry, in the municipality of Montenegro, Rio Grande do Sul state, Brazil, Saturday, May 17, 2025. (AP Photo/Wesley Santos)