The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

Data on flu test positivity and Tamiflu prescription fills show that influenza activity has already surpassed the past 7 ...

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Nine-month-old Avery Ash's medical journey has been delicate and perilous as flu cases spike across North Texas and ...

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

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

That flu activity is peaking now isn’t unexpected. You can catch the flu year-round, and peak season in the U.S. tends to be between December and February. February, though, is the clear winner. Since ...

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.

It’s not unusual historically to see high numbers of respiratory viruses floating around during this time frame,” a UNC ...