'N-95 masks most effective at curbing Covid-19 spread' The researchers noted that airborne transmission by respiratory aerosol droplets produced during coughing and sneezing is the dominant mode of spreading for infectious diseases such as Covid-19. August 27, 2020 at 06:10PM

The researchers noted that airborne transmission by respiratory aerosol droplets produced during coughing and sneezing is the dominant mode of spreading for infectious diseases such as Covid-19.

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