The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.

CDC data shows flu-related medical visits — due to symptoms such as fever, cough, and sore throat — are at their highest levels since the 2009 swine flu outbreak. California’s flu activity for the ...

San Diego Mayor Todd Gloria on Friday announced he is abandoning the proposed homeless mega-shelter on Kettner & Vine. It's ...

Within 24 to 48 hours of the first detection of the virus, state and federal animal health officials work with farms to cull ...

Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated Friday by the CDC.