Bird flu’s growing threat? After human case from infected cow in Texas, over 500 penguins found dead in Antarctica
The human patient had a mutation, PB2 E627K, which is linked to the virus adapting to mammalian hosts
Kerala bird flu: Thousands of ducks to be culled in Alappuzha after reports of confirmed cases
The circulating H5N1 strain has killed millions of birds and mammals, including polar bear and penguins
Bird flu has been circulating among cows in US for months: Genome study reveals multiple mutations
Genomic analysis shows occasional jumping back of virus from infected cows to birds and cats, suggesting multi-host outbreak