The volume of recent flu infections and related hospitalizations is higher than what Sonoma County epidemiologists have ...

Flu test data and Tamiflu prescription fills show that influenza activity has already surpassed the past seven seasons and ...

A new study shows that bird flu has silently spread from animals to some veterinarians. The study published Thursday by the Centers for Disease Control and Prevention echoes two ...

There have been an estimated 24 million flu illnesses, 310,000 hospitalizations and 13,000 deaths so far this season — but the Trump administration has made it harder to communicate vital health data.

Sonya Stokes, an emergency room physician in the San Francisco Bay Area, braces herself for a daily deluge of patients sick ...

The rate of Americans visiting doctors’ offices for flu-like illness is continuing to reach record levels, new CDC data ...

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...

Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working ...

Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease ...

Federal health officials say a dairy worker in Nevada has been infected with a new type of bird flu that’s different from the ...