Mass mask-wearing notably reduces COVID-19 transmission
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R. Zinkov | S. Bhatt | J. Brownstein | S. Mindermann | J. M. Brauner | G. Leech | M. Sharma | B. Snodin | L. Aitchison | B. Rader | Y. Gal | J. Sandbrink | C. Rogers-Smith | J. Brauner