Flu Shot Ingredients: Vaccine Safety, Benefits, Risks - Verywell Health
The annual influenza vaccine, often called the "flu shot," protects against the influenza viruses you're most likely to be exposed to every flu season. With few exceptions, it's safe and effective for most people ages 6 months and older. The ingredients of the flu vaccine change each year, depending on the flu virus strains that are expected to be circulating and getting people sick. Reading about flu shot ingredients can be confusing. This simple guide discusses each ingredient so you feel more at ease before flu season. Roberto Jimenez Mejias / Moment / Getty Images Flu Shot Ingredients The flu shot is a quadrivalent vaccine. This means it protects against four different flu viruses: two influenza A viruses and two influenza B viruses. Flu shots vary in terms of ingredients, manufacturing method, brand, and delivery. Let's go over the types of flu shots and some of the typical flu shot ingredients. Types o...