COVID-19 Discussion Thread #4

Started 6 days ago | Discussions thread
R Liewenberger Contributing Member • Posts: 600
Study on masks, comparison N95 vs standard medical

mamallama wrote:

HRC2016 wrote:

I haven't seen any reputable sources that say a non-95 mask will prevent coronavirus spread and protect health care workers or others from mist. In fact, everything I've seen says the opposite - only the N95 does (if properly fitted/worn).

So surgical masks are useless? Source please?

Found a reputable looking source that says more or less the opposite, i.e. there isn't that much difference between a more expensive N95 respirator mask and the standard medical mask.

"Conclusions and Relevance:

Among outpatient health care personnel, N95 respirators vs medical masks as worn by participants in this trial resulted in no significant difference in the incidence of laboratory-confirmed influenza."

"N95 Respirators vs Medical Masks for Preventing Influenza Among Health Care Personnel

A Randomized Clinical Trial" https://jamanetwork.com/journals/jama/fullarticle/2749214

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More details about this study when following the given link to the Clinical Trials.gov Identifier: NCT01249625: https://clinicaltrials.gov/ct2/show/study/NCT01249625

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Found the above via this German language article in aerzteblatt.de: https://www.aerzteblatt.de/nachrichten/105751/Grippe-Chirurgische-Maske-schuetzt-genauso-gut-wie-teure-N95-Atemschutzmaske

Liewenberger

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