How effective is the chickenpox vaccine?

Dr. Michael Roizen, MD
Internal Medicine
The vaccine that protects people from getting chicken pox or herpes zoster is 70% to 90% effective against any form of varicella disease, and over 90% effective against the severe form. And if you do get chicken pox, you experience it mildly, with less than 50 poxes per person, mild or no fever, and a faster recovery. Compared to the 500 itchy, oozing blisters, lurking in every crevice on the body you would get otherwise, that’s not so bad at all.

The chickenpox vaccine has proven to be rather effective in protecting children against the virus. It is estimated that 98 percent of those who get the two recommended doses of the vaccine do not get chickenpox. Even if those who do get the vaccine end up catching chickenpox, it has been observed that these cases are not very serious and do not last as long as a typical case.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.