CDC GUIDELINES NOW INCLUDE WEARING A MASK WHEN IN PUBLIC SETTINGS:
- https://www.cdc.gov/coronavirus/2019-ncov/downloads/DIY-cloth-face-covering-instructions.pdf
- https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-face-coverings.html
- https://wwwnc.cdc.gov/eid/article/12/6/05-1468_article
