By STEVE LOHR
The estimate of prevented diseases, published in an article in The New England Journal of Medicine, is an analysis of some of the data in a broad project to digitize disease report records going back to 1888.
Published: November 27, 2013 at 12:00AM
from NYT Technology http://bits.blogs.nytimes.com/2013/11/27/the-vaccination-effect-100-million-cases-of-contagious-disease-prevented/
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