Everyone 6 months of age and older should get a flu vaccine every season. Vaccination is particularly important for people who are at high risk of serious complications from influenza. You should get a flu vaccine before flu begins spreading in your community, and it takes about two weeks for antibodies to develop in the body. But is it possible to get your flu vaccine TOO early? According to the CDC, the optimal time for flu vaccination is by the end of October. Some data in