I don't really think the flu shot is necessary for most people. But I do have a pretty poor immune system and work at a daycare. When I get sick, it takes a really long time for me to recover, and I usually keep the cough for months. My migraines are also a lot worse when I'm sick or congested. It's not going to keep me from getting colds and it doesn't block every strain, but it's likely that it'll go around at work. So is it worth doing, or would I react badly because of my immune system?