This is year the flu is sweep the country. Outbreaks have been reporting in 47 states. With increase in flu outbreak across the nation and many states are facing vaccine shortages. Many of the local pharmacies were taking walk-ins for the flu shots but with the recent increases in demand you may need to check with you local pharmacies before just trying to walk-in for a flu shot.
Flu shot will not cause the flu because there is no live organism in the flu vaccination and it takes about two weeks for you immune system to strengthen from the flu shot.
With the colder temperature we spending more time in doors as a result we are increasing our close interaction with coworkers, family, friends, and the general public. When there are more people in the mix there is an increased opportunity for coming into contact with someone carrying the flu so your best defense is prevention by getting your flu shot. You can reduce the chance of getting flu and by avoiding touching you eye, nose, and mouth until you have washed your hands.