PhysOrg Posted September 14, 2022 Share Posted September 14, 2022 Throughout the COVID-19 pandemic, masking has been one of the key public health measures put in place to combat the disease. Since March 2020, billions of disposable surgical masks have been used around the world, raising the question: What happens to all those used masks?View the full article Quote Link to comment Share on other sites More sharing options...
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