People can opt for having titres drawn via blood tests, to see if they really need boosters or not. They are even doing this for cats now, for the distemper boosters, and finding those are not really needed either.
http://www.caberfeidh.com/FelineTiters.htm
There have been parents on the net in the past that had titres drawn for their children.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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