First repeat the MMR: The MMR was first given in the US after 1971 as a single dose after age 1 yr.By 1990's measles outbreaks at colleges led to addition of a second dose.Antibody screening can suggest the level is not high enough to be protective, but that does not mean you have a bad immune system,just a waning level. You may or may not have received that 2nd dose as a kid, or the batch was not as potent.
Answered 4/24/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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