Learn more about Covid-19:
CDC Guidelines + Info:
https://www.cdc.gov/infectioncontrol/pdf/guidelines/environmental-guidelines-P.pdf
https://www.cdc.gov/coronavirus/2019-ncov/hcp/guidance-hcf.html
Texas Optometry Board:
How Masks Are Critical in Preventing the Spread of COVID-19:
https://www.sciencedaily.com/releases/2020/06/200612172200.htm