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Coronavirus: what kind of face mask gives the best protection against Covid-19?

So even countries that have required the public to wear face masks have generally suggested such masks should be reserved for health workers or those at particularly high risk.
Source: https://www.theguardian.com/world/2020/jun/19/covid-19-what-kind-of-face-mask-gives-the-best-protection-against-coronavirus

Surgical grade N95 respirators offer the highest level of protection against Covid-19 infection, followed by surgical grade masks. However, these masks are costly, in limited supply, contribute to landfill waste and are uncomfortable to wear for long periods. Your questions answered on what type of mask to wear to cut the risk of getting Covid-19Coronavirus – latest updatesSee all our coronavirus coverageYes.
Source: https://www.theguardian.com/world/2020/jun/21/coronavirus-what-kind-of-face-mask-gives-the-best-protection-against-covid-19

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