![What is the efficacy of standard face masks compared to respirator masks in preventing COVID-type respiratory illnesses in primary care staff? - The Centre for Evidence-Based Medicine What is the efficacy of standard face masks compared to respirator masks in preventing COVID-type respiratory illnesses in primary care staff? - The Centre for Evidence-Based Medicine](https://www.cebm.net/wp-content/uploads/2020/03/TG2.png)
What is the efficacy of standard face masks compared to respirator masks in preventing COVID-type respiratory illnesses in primary care staff? - The Centre for Evidence-Based Medicine
![Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology](https://news.mit.edu/sites/default/files/download/202007/MIT-Reusable-Mask-02-Press.jpg)
Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology
![KYT Music Double-layer Cotton Face Mask with Hole,Washable and Reusable,Ideal for Playing all Musical Instruments,Drinks (Medium): Amazon.com: Tools & Home Improvement KYT Music Double-layer Cotton Face Mask with Hole,Washable and Reusable,Ideal for Playing all Musical Instruments,Drinks (Medium): Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61sH6-47sIL._AC_UY1000_.jpg)
KYT Music Double-layer Cotton Face Mask with Hole,Washable and Reusable,Ideal for Playing all Musical Instruments,Drinks (Medium): Amazon.com: Tools & Home Improvement
![Face Masks Reduce Risk of COVID-19 Infection, and Should Be Used With Other Interventions – Consult QD Face Masks Reduce Risk of COVID-19 Infection, and Should Be Used With Other Interventions – Consult QD](https://consultqd.clevelandclinic.org/wp-content/uploads/sites/2/2020/06/20-CCC-1904661-CQD_Hamilton_Masking-and-preventive-measures_650x450_1-CCC-1891044_05-08-20_108-650x450.jpg)