China has reported two more H9N2 avian flu infections in humans, both of them patients from Hunan province in the southern ...

The U.S. has reported its first death due to bird flu, aka H5N1. How deadly is H5N1? Experts discuss bird flu fatality rate ...

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

State officials say the highly pathogenic avian influenza – more commonly known as bird flu – is widespread in much of the ...

The case fatality rate is approximately 52%, per the CDC. The countries reporting the highest number of human bird flu deaths are Indonesia, Egypt, Vietnam, Cambodia and China. The case fatality rate ...

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and ...

Scientists were slow to recognize that Covid spreads through the air. Some are now trying to get ahead of the bird flu.

After the current strain of bird flu, H5N1, reached the U.S. in 2022, more than 148 million birds have been euthanized. What ...