Scientific recommendations evolve as new studies deepen our understanding over time. Given what we know now, wearing masks reduces the spread of this virus. Until we fully understand it and how to treat it, masks should be required in all public spaces. It's easy, cheap, and the right thing to do.
https://www.pnas.org/content/early/2020/06/10/2009637117
https://www.vox.com/2020/6/6/21282108/masks-for-covid-19-world-health-organization-guidelines-cloth-n95
Respectfully,
Brooke Plotnick