The H5N1 bird flu virus has historically extracted a heavy toll when it infects humans, with nearly half of confirmed cases ...

In one of the top Arctic birding destinations in the world, environmental and health challenges are threatening some of the seabirds that are part of Norway’s unique coastal ecosystem ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.