These days there are more flu shot options than ever. Find the best one for every member of your family.
For Everyone: Intramuscular Injection
What it is: The original, standard flu shot, which contains dead, inactive influenza virus
Available in: Quadrivalent form (protects against the top four strains of influenza virus) and trivalent form (protects against the top three strains)
Good for: Everyone at least 6 months old, including pregnant women and people with chronic medical conditions
Avoid if: You’ve had an allergic reaction to a prior injection or have a serious allergy to eggs, because it contains egg proteins.
Possible side effects: Redness and swelling at the injection site for a day or two; low-grade fever; achiness