Make sure that you get your flu shot ASAP afterward, as it takes about two weeks to kick in. Once it does, it's about 70% to 80% effective in preventing flu hospitalizations and fatalities.
- Q What is the nasal spray flu vaccine?
- Q Should I worry that I've been given two flu shots?
- Q Will my childhood vaccines protect me against the flu?
- Q What are common side effects of flu shots?
- Q What are some risks of flu vaccines?
- Q Why do some people not feel well after getting the flu shot?