The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.
This year’s flu season hit a grim milestone with deaths tied to the virus surpassing the number of COVID-related deaths in California for the first time in five years.
Doctor's visits for flu symptoms are at a 15-year high. Why is this flu season so bad? Doctors discuss flu severity, symptoms and how to stay safe.
Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, according to the Centers from Disease Control and Prevention.
Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.
Flu cases soar across the US; Sacramento sees highest flu-related medical visits since 2009. Learn prevention tips and why vaccination rates matter.
Flu infections are at or near their highest levels in at least 15 years and are still rising, the Centers for Disease Control and Prevention says.
CNN’s Dr. Sanjay Gupta discusses the severity of the flu season in the US and how people can protect themselves.