3b.2 How effective is the polio vaccine?
Description
This article is from the Childhood Vaccinations FAQ, by Lynn Gazis-Sax lynng@alsirat.com with numerous contributions by others.
3b.2 How effective is the polio vaccine?
The Merck Manual and the Physician's Desk Reference give its
effectiveness as 95%. An article in a WHO publication (Hull and Ward)
estimates effectiveness at 80%. (As with other WHO estimates, the
lower effectiveness rating reflects an estimate of effectiveness in
the field in a variety of countries, including countries in the Third
World. Polio vaccine effectiveness can deteriorate if it is exposed to
too much heat, which can happen in vaccination programs in some
countries.)
Continue to:
My Books
