“We don’t know what combination of mutations would lead to a pandemic H5N1 virus and there’s only so much we can predict from these sequence data. But the more humans are infected, the more ...

In light of the ongoing global spread of the H5N1 avian influenza, U.S. public health experts are reassured that current ...

The CDC found that the mutations observed in the Louisiana patient could increase the virus' ability to bind to the upper respiratory system of humans. On Thursday, Mina posted an "important wake ...

human cases and some poultry in multiple states. The mutations seen in the patient are rare but have been reported in some cases in other countries and most often during severe infections.

The Centers for Disease Control and Prevention (CDC) has identified mutations in a strain of the avian influenza virus H5N1, also known as bird flu, found in a Louisiana patient.

“There has been an explosion of human cases,” she said. “We don’t know what combination of mutations would lead to a pandemic H5N1 virus… but the more humans are infected, the more ...