What do you need to know about the smallpox vaccine?


This serious infectious disease was declared eliminated worldwide in the late 1970s. But the smallpox virus can be used as a bio-weapon. A smallpox vaccine can prevent it. Most people will have mild reaction to the vaccine, including:

  • Soreness and redness in the arm where the vaccine shot was given.
  • The glands in the armpits may become large and sore.
  • Low fever.
  • 1 out of 3 people may feel bad enough to miss work or school.

From: Side Effects of the Smallpox Vaccine WebMD Medical Reference

Reviewed by Renee A. Alli on October 23, 2018
Reviewed by Renee A. Alli on October 23, 2018


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