"Although mechanistic studies support the potential effect of hand hygiene or face masks, evidence from 14 randomized controlled trials of these measures did not support a substantial effect on transmission of laboratory-confirmed influenza."
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Not sure why my comment is being downvoted. I'm just asking a question. With regards to your comments. I'm not saying they would or would not be effective against sars-cov-2. I'm just noting a specific omission of sars-cov-2 in the cdc article. And to be honest, I'm asking so that when my TDS friends/relatives ask, I have an informed answer.
great thanks for the info!