This video demonstrates how well fit-tested respirators work as source control vs no masks vs loose fitting medical masks.

No complicated modelling required.

We can achieve higher levels of risk reduction by having our healthcare workers wear these when looking after vulnerable patients, particularly at times where staff are at higher risk of infection (recently symptomatic, close contact of someone unwell at home, or high community prevalence)

Screenshots in the next post.

#N95 #MasksWork

https://files.mastodon.social/media_attachments/files/110/987/406/675/885/718/original/f64299d19056ac92.mp4

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Discussion

Screenshots here.

As an anaesthetist I spend a good amount of time talking, in close proximity, to vulnerable patients while having young children at home coughing and unwell.

I owe it to my patients not to pass on whatever is circulating at home to them.

I've been doing it daily for 3 years and can do it as needed for the remainder of my career.

#n95 #MasksWork

nostr:npub1ntq8qqr07h3znwxcx7nttsgdgtzcheh26w2qex3npeysep6w06ls69rg38 I'm not meaning to complain at you specifically, but the "vulnerable" narrative as though this particular disease isn't going to rip the lungs or the liver or the cardiac function out of anyone boggles me.

We're all vulnerable. (Some of us are like to die, but you don't have to be like-to-die to be vulnerable.)

My take is "outside your immediate household in air that could have had someone in it? Respirator, worn continuously until you return." Hospitals more so than most places.