October 23, 2020

Study provides estimates of the effect of introducing and lifting physical
distancing measures on COVID-19 R number

   by Lancet
   physical distancing Credit: Pixabay/CC0 Public Domain

   Analysis suggests that individual measures (including school closure,
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   measures to introduce or lift, and when to expect to see their effects,
   but this will also depend on the local context—the R number at any
   given time, the local healthcare capacity, and the social and economic
   impact of measures."

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   that they were unable to account for different precautions some
   countries implemented for reopening schools (eg, limiting class sizes,
   distancing measure, routine deep cleaning, personal handwashing, face
   masks, and thermal temperature checks on arrival), which are essential
   for safer school reopening and should be taken into account when
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   after reopening schools but is not clear whether the increase is
   attributable to specific age groups, where there may be substantial
   differences in adherence to social distancing measures within and
   outside classrooms. Furthermore, more data are needed to understand the
   specific role of schools in increased SARS-CoV-2 transmission through
   robust contact tracing."

   Studies have found that measures, including school closure, social
   distancing, and lockdown (a combination of all measures), could reduce
   R substantially to near or below 1, but this is the first study to look
   at the effects on R following the relaxation of these measures.
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   transmission models that project COVID-19 cases and deaths under
   different NPI scenarios could be highly valuable for optimising a
   country's portfolio of NPIs. Moreover, I think R provides a social
   utility that epidemiologists can easily overlook. The success of
   large-scale NPIs requires population adherence. R can stimulate
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   Provided by Lancet
   Citation: Study provides estimates of the effect of introducing and
   lifting physical distancing measures on COVID-19 R number (2020,
   October 23) retrieved 11 December 2020 from
   https://medicalxpress.com/news/2020-10-effect-physical-distancing-covid
   -.html
   This document is subject to copyright. Apart from any fair dealing for
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Study provides estimates of the effect of introducing and lifting physical
distancing measures on COVID-19 R number

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