Chances are that by now, you or someone you know has been hit with the flu recently. This flu season has gotten so bad that some schools are issuing days off on account of so many absences. Compounding that news, this year’s flu shot is not very effective at preventing one of the nastiest and most common strains of the flu, the H3N2. Therefore, some people might assume that it is not worth it to get a flu shot. Experts say that’s the wrong way to think of the flu shot and its purpose.