The exact timing and duration of flu season varies, but flu illness and outbreaks can happen as early as October and last into April. The perfect time to get a flu vaccination is as soon as vaccine is distributed and available to the consumer, especially because it can take up to two weeks for the vaccine to take full effect. Although a flu shot is not a guarantee against flu, it is the best form of protection we have. This year’s flu vaccine protects against the three types of flu predicted to be most prevalent this year, including H1N1 (swine …