Although the avian flu (H5N1) virus may not be making the news as frequently, it is still working hard behind the scenes, ...

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.

At top AI labs, the future looks either fantastically bright—or terrifyingly dark. More in today’s TIME tech newsletter.

The U.S. is in peak flu season, as the Centers for Disease Control says “seasonal influenza activity remains elevated and continues to increase across the country.” ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike upward in most states, according to the Centers for Disease Control and … ...