The Atlantic gives some statistics on the Waldoirf School in Pennsylvania:
The immunization rate for the kindergarden students? 23% (vs. just under 90% for the general population in the area). Apparently because of "personal beliefs."...
I have an antivaxxer on my FB page who insists that herd immunity is a myth, because vaccines wear off over time and people aren't protected by their vaccine induced antibodies after several years. He mentioned the MMR vaccine in particular.
Could I get some information about herd immunity? Is...
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