![Polymers | Free Full-Text | Face Masks to Combat Coronavirus (COVID-19)—Processing, Roles, Requirements, Efficacy, Risk and Sustainability Polymers | Free Full-Text | Face Masks to Combat Coronavirus (COVID-19)—Processing, Roles, Requirements, Efficacy, Risk and Sustainability](https://pub.mdpi-res.com/polymers/polymers-14-01296/article_deploy/html/images/polymers-14-01296-g001.png?1648036570)
Polymers | Free Full-Text | Face Masks to Combat Coronavirus (COVID-19)—Processing, Roles, Requirements, Efficacy, Risk and Sustainability
![Medical masks and Respirators for the Protection of Healthcare Workers from SARS-CoV-2 and other viruses | Pulmonology Medical masks and Respirators for the Protection of Healthcare Workers from SARS-CoV-2 and other viruses | Pulmonology](https://multimedia.elsevier.es/PublicationsMultimediaV1/file//25310437/0000002600000004/v2_202009030742/S253104372030088X/v2_202009030742/en/main.assets/gr1.jpeg?xkr=ue/ImdikoIMrsJoerZ+w94UphxYc+GPca8Z7OggvdfJaI9Nqk/wRF1/+NWFHb4fNv/lki/QZQJqDaHnUPSpH8b4OxxAPPvqI7mFg5HYry2zWSsl1IEMsHE3yD2kbZwh3U4LdxAndPJbY/YjO+Hk0ugz7URPbLOCMv5OdukK2jAUET5eQd8+AcKm2nOIgjTUtpM7koZV1joLkzQJrUBHTU+y4UcSB5U2AnziWfbeE32j2qoZq6QGYD2wmPJHByrZVFotGoyGUlIlXqKZkIrapgHGj/PkYRewETF9/wZbvYsw=)
Medical masks and Respirators for the Protection of Healthcare Workers from SARS-CoV-2 and other viruses | Pulmonology
![Polymer Materials for Respiratory Protection: Processing, End Use, and Testing Methods | ACS Applied Polymer Materials Polymer Materials for Respiratory Protection: Processing, End Use, and Testing Methods | ACS Applied Polymer Materials](https://pubs.acs.org/cms/10.1021/acsapm.0c01151/asset/images/medium/ap0c01151_0001.gif)
Polymer Materials for Respiratory Protection: Processing, End Use, and Testing Methods | ACS Applied Polymer Materials
![Effectiveness of N95 Masks against SARS-CoV-2: Performance Efficiency, Concerns, and Future Directions | ACS Chemical Health & Safety Effectiveness of N95 Masks against SARS-CoV-2: Performance Efficiency, Concerns, and Future Directions | ACS Chemical Health & Safety](https://pubs.acs.org/cms/10.1021/acs.chas.1c00016/asset/images/large/hs1c00016_0003.jpeg)
Effectiveness of N95 Masks against SARS-CoV-2: Performance Efficiency, Concerns, and Future Directions | ACS Chemical Health & Safety
![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/masks.jpg)
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
![Amazon.com: Dräger X-plore 1350 V N95 Particulate Respirator with Exhalation Valve, 10 Pack, Size S/M, NIOSH-Certified, Disposable Dust Mask, Adjustable Head Harness, Low Breathing Resistance : Tools & Home Improvement Amazon.com: Dräger X-plore 1350 V N95 Particulate Respirator with Exhalation Valve, 10 Pack, Size S/M, NIOSH-Certified, Disposable Dust Mask, Adjustable Head Harness, Low Breathing Resistance : Tools & Home Improvement](https://m.media-amazon.com/images/I/61EAleweZUL._AC_UY780_.jpg)