Flu Shot Ingredients: Learn What They Contain, Their Safety, and Health Benefits
If you worry about flu shot ingredients, you should know that they have a decades-long history of safety. Otherwise, they typically contain several basic ingredients. Flu shots vary in ingredients, manufacturing method, brand, and delivery. Verywell / Theresa Chiechi These are the ingredients typically found in most flu vaccines. The virus replicates in the egg, then its extracted and used in vaccines. This is the most common flu shot manufacturing process, and its been used safely for over 70 years....