COVID-19 1 Cost/benefit 1 Dynamic spreads 1 Dynamics simulation 1 Efficiency 1 Epidemics 1 Epidemiology 1 Facemask 1 Humans 1 Infection spread modeling 1 Infection-spread model Masks 1 New York [New York (STT)] 1 New York [United States] 1 Personal protective equipment 1 Protective clothing 1 Retrospective Studies 1 Retrospective analysis 1 SARS-CoV-2 1 SIR model 1 Spread functions 1 Suscep-tible-infected-removed models 1 United States 1 computer simulation 1 disease control 1 disease spread 1 epidemic 1 human 1 infectious disease 1 mask 1