H5N1 bird flu is closer to gaining pandemic potential than we thought

The flu virus currently circulating in birds and dairy cows is already better at infecting people than earlier variants, and a single mutation would allow it to bind to key human receptors

​The flu virus currently circulating in birds and dairy cows is already better at infecting people than earlier variants, and a single mutation would allow it to bind to key human receptors The flu virus currently circulating in birds and dairy cows is already better at infecting people than earlier variants, and a single mutation would allow it to bind to key human receptors