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Elisabeth Bik is in the Netherlands on Twitter: "Adding A Nylon Stocking Layer Could Boost Protection From Cloth Masks, Study Finds "Adding a layer that keeps the mask tight to the face
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Portrait of Woman With Stocking Over Head - Stock Photo - Masterfile - Rights-Managed, Artist: Anita Clark, Code: 700-01163576
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Portrait of Man With Stocking Over Head - Stock Photo - Masterfile - Rights-Managed, Artist: Anita Clark, Code: 700-01163577
![Dr Zoë Hyde on Twitter: "Study showing simple modifications can improve mask effectiveness. For example, tucking in the corners of a procedure mask & tying the loops increased filtration from 39% to Dr Zoë Hyde on Twitter: "Study showing simple modifications can improve mask effectiveness. For example, tucking in the corners of a procedure mask & tying the loops increased filtration from 39% to](https://pbs.twimg.com/media/ErjCwF9UYAU701v.jpg)
Dr Zoë Hyde on Twitter: "Study showing simple modifications can improve mask effectiveness. For example, tucking in the corners of a procedure mask & tying the loops increased filtration from 39% to
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