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

(Reuters) -Australian biopharmaceutical company CSL said on Tuesday that falling immunisation rates in the U.S., its largest market, weighed on its vaccine sales and first-half profit growth, sending ...

Outbreaks and high levels of illnesses (like the flu) have become more common as vaccination rates have fallen, especially ...

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

More than 24 million people have had seasonal flu this season, according to estimates from the Centers for Disease Control ...

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

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.

Adult and pediatric patients who received 2023-2024 influenza vaccines exhibited reduced risk for influenza-associated encounters across care settings.

They're most effective when they're given at the right time — and lots of careful consideration goes into deciding when exactly that is.[1]#1 In coming up with the best vaccine schedule for your baby, ...