My understanding is that the main method of transmission is hand to face, but I’m not an epidemiologist and neither are most people giving advicehttps://twitter.com/zeynep/status/1244078706261360640 …
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When you wear a mask properly you also don't spend your time needlessly touching your face. The constant reminder is helpful. The cost of everyone wearing a home made washable mask is miniscule when compared to alternate options or consequences.
The government isn't testing and tracing properly, quarantining or social distancing. Your main option left is universal mask use as a backup, while you get the other plan elements in order. You can't tell if an asymptomatic person has coronavirus but you can enforce mask use.
We need hk/Taiwan levels of mask production to make that public health recommendation. Without enough masks, and there aren't, it would just cause a panic and rush on masks.
So from a public health standpoint recommending everyone wear a mask would be counterproductive while it remains good individual medical advice.
Add Germany (finally) and Czech Republichttps://www.praguemorning.cz/usage-of-masks-flattened-growth-of-coronavirus-cases-in-czech-republic/ …
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