Health Topics

Measles

What is community immunity?

Source: National Library of Medicine; Jeff Day, M.D.

October 20, 2019

The measles mumps rubella (MMR) vaccine is one of the most effective around. It is 97% effective against the viruses when...

In 2000, measles had all but stopped spreading in the U.S. That's because vaccination rates were high enough to...

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