Although the technology behind cloth masks with HEPA filters has potential, the MAT suggests further testing for particle filtration by a scientific lab; until such time, the MAT does not recommend these masks for healthcare workers. Additonaly, cloth masks for general public use should be utilized in alignment with CDC guidance and recommendations: https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover.html 

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