Question

why is vaccine given to even healthy prson

Answer 1

Vaccines are one of our most effective health interventions, but are often misunderstood. In this Q&A, we explain what they are, how they work and why they are important.

Answer 2

Answer:

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Vaccines are tested and monitored. Vaccines go through years of testing before the Food and Drug Administration (FDA) licenses them for use. Both the CDC and FDA continue to track the safety of all licensed vaccines.

Vaccine side effects are usually mild and go away in a few days. The most common side effects include soreness, redness, or swelling where the shot was given. Severe side effects are very rare.

Vaccines are one of the safest ways to protect your health. Talk with your doctor about the vaccines you should safely receive based on your health or other conditions.