Masks alone are not the "silver bullet" against the Covid-19 pandemic, and their widespread use among the population is only justified in the event of limited access to water for washing hands, or when physical distancing is difficult, said Monday the boss of the WHO.
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"Masks alone cannot stop the Covid19 pandemic"
"There is no binary answer, no silver bullet. Masks alone cannot stop the Covid19 pandemic," said Tedros Adhanom Ghebreyesus during a virtual press conference from Geneva.
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