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“The article discusses that governments in all countries are working to overcome the COVID-19 pandemic through a variety of non-medical interventions.
Recent cross-country analyzes show that co-administration of different IMNs at different scales has been effective in reducing the viral replication rate R, which shows how many people are infected per patient. Until now, it was almost unknown how effective individual NMIs were, so the researchers evaluated their effectiveness, from limiting the number of people who meet, closing businesses, educational institutions, to the requirement to stay at home.
The researchers examined the effect of each non-medical intervention on the percentage reduction in the effective reproduction rate (R). It was concluded that the closure of all educational establishments, the limitation of meetings to 10 people or less and the business of person-to-person contacts (face to face), the closure significantly reduced the transmission of the virus. The additional impact of the “stay at home” requirement was relatively small, “the virologist said.
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Meeting restriction to 1000 people or less: R reduced by 23 percent. (0 to 40%).
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Meeting restriction to 100 people or less: R reduced by 34 percent. (12 to 52 percent).
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Meeting restriction to 10 people or less: R reduced by 42 percent. (17 to 60 percent).
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Some high-risk face-to-face deals closed: R cut 18 percent. (−8 to 40%).
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Close most high-risk face-to-face deals: R cut 27 percent. (−3 to 49%).
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School and university closures: R reduced by 38 percent. (16 to 54 percent).
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Stay-at-home recommendation (as an added effect to all other INMs): R reduced by 13 percent. (−5 to 31%).
Scientific photography / Effects of virus inhibitors
The researchers found that they were unable to draw a clear distinction between the effects of school closures and university closures, as the latter interventions were implemented on the same day or in close succession in most countries, thus “closures of schools and college closings “are considered a non-medical intervention.
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