Face coverings and mask to minimise droplet dispersion and aerosolisation: a video case study

To evaluate the effectiveness of the Centers for Disease Control and Prevention (CDC) recommended one- and two-layer cloth face covering against a three-ply surgical mask, we challenged the cloth covering against speaking, coughing and sneezing. The one-layer covering was made using ‘quick cut T-shirt face covering (no-sew method)’ and the two-layer covering was prepared using the sew method…

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