https://www.ncbi.nlm.nih.gov/pubmed/302299682018
It was found that a 50% compliance in donning the device resulted in a significant
(at least 50% prevalence and 20% cumulative incidence) reduction in risk for fitted
and unfitted N95 respirators, high-filtration surgical masks, and both low-filtration
and high-filtration pediatric masks. An 80% compliance rate essentially eliminated
the influenza outbreak. T