Some scientists have been studying airborne virus transmission and respirators' effectiveness well before COVID-19. I recommend following the work of Linsey Mar

Some scientists have been studying airborne virus transmission and respirators' effectiveness well before COVID-19. I recommend following the work of Linsey Marr [0]. Measless is known to have infected people at a stadium 100 feet away [1]. Influenza is known to infect through dust particles [2]. I can't find the study, but this is valid outdoors, too. [0]: https://twitter.com/linseymarr https://twitter.com/linseymarr [1]: https://www.statnews.com/2019/02/14/measles-infection-virus-spread/ https://www.statnews.com/2019/02/14/measles-infection-virus-... [2]: https://www.ucdavis.edu/news/airborne-viruses-can-spread-dust-nonrespiratory-particles https://www.ucdavis.edu/news/airborne-viruses-can-spread-dus...