San Francisco International Airport is offering flu shots to travelers through Dec. 13.

Travelers ages 18 and older can get flu shots at three kiosks that have been set up inside the airport, spokesman Mike McCarron said.

One kiosk is in Terminal A; another is in Boarding Area E of Terminal 3; and the third is in Boarding Area F of Terminal 3.

The cost is $35 and the kiosks are open Monday through Friday from 7 a.m. to 7 p.m., Saturdays from 8 a.m. to 1 p.m. and Sundays from 11 a.m. to 7 p.m.

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