In a study published in the British Journal of Medicine researchers discovered that Cloth masks showed higher infection rates and higher number of particle penetration As compared to N95 masks.
The study concluded:
"Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally. However, as a precautionary measure, cloth masks should not be recommended for HCWs, particularly in high-risk situations, and guidelines need to be updated"
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