Abstract
The COVID-19 virus, SARS-CoV-2, is thought to transmit mostly by respiratory droplets from coughing or sneezing when people are in close proximity. It is advised to wear a face mask or respirator (N95/KN95) to prevent the spread of COVID-19-causing SARS-CoV-2. Although few studies have examined their real-world efficacy in preventing SARS-CoV-2 infection, well-fitting face masks and respirators efficiently filter virus-sized particles in laboratory settings. Mathematical modelling demonstrates that wearing masks significantly slows the transmission of SARS-CoV-2 and lowers the chance of infection, particularly when paired with other non-medical interventions (such as maintaining a safe social distance). In many studies, it has been discovered that both N95 masks and ordinary masks are effective. This study is aimed at evaluation effectiveness of wearing facial masks at preventing Covid-19 infections.
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