All that sneezing and sniffling around you on airplanes and in airports is a sure sign that flu season is in full swing. And a sure sign that you should get a flu shot.

Here are some of the airports where busy fliers can take care of that task, on the fly:

At Chicago O’Hare Airport, the O’Hare Medical Clinic in Terminal 2 offers flu shots and immunizations (and more) Monday through Friday from 8 a.m. to 5 p.m. and Saturday and Sunday from 9 a.m. to 5 p.m. Cost: $30; most insurance accepted. There’s also a flu shot kiosk in Terminal 3 open 7 a.m. to 5 p.m. weekdays and 9 a.m. to 5 p.m. on the weekends.

The SFO Medical Clinicat San Francisco International Airport is located in the International Terminal Main Hall, on the Boarding Area A side, and is open Monday through Friday, 8:30 a.m. to 5 p.m. and Saturday from 9 a.m. to 1 p.m. (650-821-5600). Flu shots are $32.

At Nashville International Airport the Carehere! Walk-in Clinic and Wellness Store near the Concourse C Exit (post-security) offers flu shots for $25, Monday through Friday from 8 a.m. to 5 p.m.

At Los Angeles International Airport, Reliant Immediate Care is on airport property, a short walk from the terminals. This 24-hour clinic is offering flu shots for $25 (310-215-6020).

At JFK International Airport and Newark Liberty International airports, flu shots are available at the Airport Medical Offices, each located on airport property and accessible via shuttles. At Newark (973-643-8383), flu shots are $25. Hours: Monday through Friday, 8:30 a.m. to 5:30 p.m. Take the P6 Shuttle to Stop 4. At JFK (718-244-1644), flu shots are $20. Hours: Monday through Friday, 8 a.m. to 6 p.m. Take the Q11 city bus to Stop 11 or the AirTrain to Federal Circle and call for a pick-up.

(My story about where to get your flu shot at the airport first appeared on USA TODAY)

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