(NEXSTAR) – The map of flu activity across the United States continues to darken, both figuratively and literally, as case ...

The flu is quickly spreading across the United States, with 26 states and New York ... as shown in this animated map: While that may look scary, the path the flu has taken as it spread westward ...

NEW YORK — More U.S. children have died this flu season than at any time since the swine flu pandemic 15 years ago, according ...

Bird flu outbreaks have forced tens of millions of chickens to be culled across nine states over the past year as more hotspots continue to emerge. So far, the Department of Agriculture has ...

Fears the world is heading towards another pandemic are growing, as new data shows the spread of the deadly bird flu virus ...

Swine flu continues to circulate in the United States and more than 120 other countries -- especially in the Southern Hemisphere, where flu season is under way. The virus could hit the U.S. as ...