is about participates in infectious disease control strategy execution control strategy compliance compliance A class restriction can be made more precise AH A fraction of eligible individuals in a population who receive an intervention or participate in a control strategy. A fraction of some population that is targeted for a control strategy that accepts it. It can obviously also be interpreted as a probability that the average individual in the targeted population accepts/complies with the control strategy. It is not simulated A measurement datum about the fraction of individuals in a population that elect to participate in a control strategy when offered. measurement datum population