In some countries, there is still a lot of resistance against wearing mouth masks. Nevertheless, it does appear to have an effect in the fight against corona, according to a study published yesterday by the University of Cambridge. According to Cambridge, a combination of a smart lockdown and mandatory wearing of mouth masks can even ensure that the so-called R-value remains below 1 in the event of a new virus wave. A value below 1 means that the virus can hardly spread. This gives society more time and space to develop a vaccine.
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