Here’s what to know about this year’s flu shot.

Also, here’swhich vaccines you should keep in mindif you’re 50 or older.

Who should get a flu vaccine?

Nearly everyone aged six months or oldershould get a flu vaccine, according to the CDC.

What types of flu vaccines are there?

Recently, the FDAapprovedthevery first at-home flu vaccine, for adults under age 50 and children 2 and older.

When should you get a flu vaccine?

Flu vaccines aregenerally recommendedstarting in September or October, though you could get it any time after that.