The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

With a halt on scientific data being shared publicly, the CDC is getting crafty to warn of increasing flu hospitalizations.

The CDC assures the public that the current risk to human health remains low but continues to closely monitor the situation. Flu surveillance systems are actively tracking H5N1 activity in humans ...

“What we need is to shift to a system that tells us what’s happening in the moment,” Nirav Shah, principal deputy director at CDC, told reporters Thursday morning. Both bird flu and most ...