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Author Topic: Largest study of masks yet details their importance in fighting Covid-19  (Read 1843 times)

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Largest study of masks yet details their importance in fighting Covid-19.

This study was released on September 2nd 2021.

Source of information.

1. NBC News

Scientists conducted a randomized trial across 600 villages and more than 340,000 people in Bangladesh and found that even some adoption of surgical masks made a difference.
NBC News · nbcnews.com

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