Biology · Explorer

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Herd immunity thresholdRunning
Cell defense grid. Doses delivered at 3600 doses. Coverage achieved 0.08 , Threshold 0.95 . Currently coverage achieved is short by 0.87.TUNING3600 DOSES
t = 0.0s

Coverage achieved

0.08

Threshold

0.95

3600 doses

Cell defense grid. Doses delivered at 3600 doses. Coverage achieved 0.08 , Threshold 0.95 . Currently coverage achieved is short by 0.87.

What has to balanceVc=1−1R0V_c = 1 - \frac{1}{R_0}

What is happening

You are called to a district planning a measles campaign before the school year.

The doses ordered fall short of the coverage this disease needs. The district holds 45 000 children, and the threshold sits at 19 in every 20.