Impact of the timing and adherence to face mask use on the course of the COVID-19 epidemic in France. Hoertel N, Blachier M, Sánchez-Rico M, Limosin F, Leleu H. J Travel Med. 2021 Jan 28;. doi: 10.1093/jtm/taab016. [Epub ahead of print] PubMed PMID: 33506243. Download from HAL-INSERM
In this report, we sought to examine whether an early implementation of face mask use with an achievable adherence of 80% in the population would have reduced cumulative COVID-19 incidence, mortality, and the number of hospital and intensive care unit(ICU)admissions, as compared to the observed epidemiological situation. We considered an adherence rate of 80% as achievable because this rate was achieved at the time of the second lockdown in late October . This knowledge is crucial when the hypothesis of repeated rebounds of the epidemic until its end, and particularly when protection measures are relaxed, cannot be ruled out.
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