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

A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including ...

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, the World ...

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...