Vaccination

Q and A: High-dose flu vaccines

DEAR MAYO CLINIC: I just turned 65 and had my annual physical. This year, my doctor recommended that I receive a high-dose flu vaccine. Why do I need a high-dose vaccine?

Diseases, Conditions, Syndromes

What is the flu?

Fever, upset stomach, diarrhea, sore throat, chills, coughing, sneezing and headache all can make you feel miserable. And when you're not feeling well, it sometimes can be hard to know exactly what's wrong and how you can ...

Diseases, Conditions, Syndromes

What is 'stomach flu?'

What many people commonly call "stomach flu" isn't flu at all. If you're tired and have an unsettled tummy, you may have a stomach virus.

Diseases, Conditions, Syndromes

Research combats the stomach flu

More than 21 million cases of the stomach flu, caused by Norovirus, are reported every year in the United States.

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