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Effectiveness of public health measures in reducing COVID-19 incidence

November 23, 2021


A new review in the BMJ suggests public health measures such as mask-wearing, universal lockdowns, and temporary shutdowns of businesses and schools helped prevent further severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission. Universal lockdowns and mandatory quarantine measures were connected to a decrease in coronavirus disease 2019 (COVID-19) cases and deaths than those countries that did not implement these orders.

The study

The researchers reviewed the evidence of several public health measures in reducing SARS-CoV-2 transmission and COVID-19 deaths. They included observational and interventional studies that looked at how effective certain public health measures (mask-wearing, handwashing, and social distancing) were in decreasing the risk of COVID-19 infection and death.

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