H5N1 bird flu isn’t going away. In fact, the virus continues to spin off new versions that outcompete their predecessors, posing a challenge for keeping it from jumping into people, poultry and other animals.
“These viruses are becoming more fit, in the sense that we’re seeing more progeny viruses … [and] that these viruses seem to be spreading more broadly as they evolve,” says Anthony Signore, an evolutionary biologist at the Canadian Food Inspection Agency’s National Centre for Foreign Animal Diseases in Winnipeg.
.email-conversion { border: 1px solid #ffcccb; color: white; margin-top: 50px; background-image: url(“/wp-content/themes/sciencenews/client/src/images/[email protected]”); padding: 20px; clear: both; }