MMWR Early Release: Morbidity and Mortality Weekly Report, February 10, 2021: Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 [open pdf - 174KB]
The Morbidity and Mortality Weekly Report (MMWR) Series is prepared by the Centers for Disease Control and Prevention (CDC). [It] is the agency's primary vehicle for scientific publication of timely, reliable, authoritative, accurate, objective, and useful public health information and recommendations. This early release issue of MMWR contains the following article: "Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2] Transmission and Exposure, 2021." Notifiable Diseases and Mortality Tables from MMWR can be accessed at the following link [http://www.cdc.gov/mmwr/index2021.html].
Morbidity and Mortality Weekly Report: http://www.cdc.gov/mmwr/index.html/
MMWR Early Release: Morbidity and Mortality Weekly Report (February 10, 2021), v.70