The case adds another worrying wrinkle to a global outbreak that has devastated bird and marine mammal populations, and recently appeared in cattle herds.
U.S. regulators confirmed that sick cattle in Texas, Kansas and possibly in New Mexico contracted avian influenza. They stressed that the nation’s milk supply is safe, saying pasteurization kills viruses.
Los paisajes sonoros de los pájaros sirven para que las personas invidentes se orienten y conozcan el mundo que les rodea. La contaminación acústica dificulta esa percepción