Avian flu outbreak wipes out 50.54 million U.S. birds, a record

Avian flu has wiped out 50.54 million birds in the United States this year, making it the country’s deadliest outbreak in history, U.S.

The deaths of chickens, turkeys and other birds represent the worst U.S. animal-health disaster to date, topping the previous record of 50.5 million birds that died in an avian-flu outbreak in 2015.