There is no zero way to reopen schools

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There is growing evidence that the risk to individual children of Covid-19 is extremely low. However, there is not yet a united view from the scientific community on the likelihood that children can spread the virus to others, including vulnerable adults. In April, a study by University College London, the London School of Hygiene and Tropical Medicine, the University of Cambridge, and the University of Sydney, using data from previous influenza outbreaks, suggested that the closures schools “could have relatively small effects on a virus with high Covid-19 levels.” transmissibility and a small apparent clinical effect on schoolchildren ”.

Exploring how infected children can spread the infection, investigators from the Institute of Virology at the Charity Hospital in Berlin concluded: “Based on the lack of statistical evidence for a different viral load profile in the children found in this study, we should warn against an unlimited reopening of schools and kindergartens in the current situation, with a largely vulnerable population and the need to keep transmission rates low via non-interventional pharmaceutical. Children can be as contagious as adults. “

Likewise, one of the first reports on the epidemiology of the virus to come out of China suggested that children were just as likely to be infected as adults. It was around the time that the R number, or breeding number in the region, had been reduced to 0.4 by social distance and contact tracing, and is therefore similar to the current situation in London. In addition, a recent investigation by scientists from Wuhan concluded that, although the school closures were not enough to stop the transmission of the virus, they lowered the R0 value by about 0.3.

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