Here is the latest information from Center for Disease Control (CDC) and guidance on cloth face masks.

- Face Masks https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-face-coverings.html
It includes information about
- How to Wear a Cloth Face Covering
- Should cloth face coverings be washed or otherwise cleaned regularly? How regularly?
- How does one safely sterilize/clean a cloth face covering?
- How does one safely remove a used cloth face covering?
- Instructions on how to make a cloth mask

Also see these links
- Recommendation Regarding the Use of Cloth Face Coverings, Especially in Areas of Significant Community-Based Transmission https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover.html
- Cloth Face Coverings: Questions and Answers https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover-faq.html