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COVID-19 mask use: Types of masks and respirators

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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

Study finds mask use associated with reduced risk of contracting COVID-19 – AZ Dept. of Health Services Director's Blog

When and how to use masks

Office of the Commissioner for Federal Judicial Affairs Canada - Action Committee on COVID-19

Medlee Blog — MEDLEE

Extended use or re-use of single-use surgical masks and filtering facepiece respirators: A rapid evidence review - The Centre for Evidence-Based Medicine

Community Use Of Face Masks And COVID-19: Evidence From A Natural Experiment Of State Mandates In The US

Non woven fabric and the difference between Bonded and , Woven

Engineers design a reusable, silicone rubber face mask, MIT News

Non woven fabric and the difference between Bonded and , Woven

COMMENTARY: Wear a respirator, not a cloth or surgical mask, to protect against respiratory viruses