How effective are face coverings in reducing transmission of COVID-19?

• Published in: Aerosol science and technology Vol. 56; no. 6; pp. 473 - 487
• Main Authors: Robinson, Joshua F., Rios de Anda, Ioatzin, Moore, Fergus J., Gregson, Florence K. A., Reid, Jonathan P., Husain, Lewis, Sear, Richard P., Royall, C. Patrick
• Format: Journal Article
• Language: English
• Published: New York Taylor & Francis 21.04.2022; Taylor & Francis Ltd
• Subjects: Aerosol particles; Aerosol research; Aerosols; Air filters; Coronaviruses; Cotton; COVID-19; Disease control; Disease transmission; Masks; Pandemics; Protective equipment; Respirators; Surgical equipment; Tiina Reponen; Viral diseases; Viruses

In the COVID-19 pandemic, billions are wearing face masks, in both health care settings and in public. Which type of mask we should wear in what situation, is therefore important. There are three basic types: cotton, surgical, and respirators (e.g., FFP2, N95 and similar). All are essentially air fi...