More people are getting their flu shots this year if we look at the number Walgreens alone has given out thus far. In just two weeks, since September 1st, the chain has already injected one million shots. That is almost as many as they did in all of flu season last year. Flu shots cost $24.99 and a flu nasal spray alternative is $29.99 at Walgreens clinics. Appointments are recommended but not usually needed. Watch for hours and times at your local store to see when you can get your...