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The precautionary principle states we should sometimes act without definitive evidence, just in case
Yeah I mean this is the same as the Wired article that states that the 'physical evidence is clear' despite no actual conclusive trials in the real world.
Yeah I get that, it makes sense. Lack of real world evidence is usually a show stopper but I guess these things are 'cheap'. Shame about supply.
Here's a problem: In the UK, if you now advise that masks should be worn, many essential services will immediately stop because the employers of the workforce that carry out those services will not be able to instantly provide their employees with masks.
Also I have a rock that protects from Covid - yours for £10. It might not do anything, but at £10 it's cheap. I have a lot of rocks. Get in the queue.
Howard-
I have a rock that protects from Covid
Masks don't though they may protect others from you if you're infected.
Everything we do is about protecting others from our possible infection
Which is why driving is an issue.
If you drive to the country or to a beach and you're the only person/family doing this then neither you or anyone else gets exposed
But if everyone did this the we're spreading our infection yo othrrd
Which is why no one should drive to the country or beach
It's collective responsibility
skydancer
https://www.bmj.com/content/bmj/369/bmj.m1435.full.pdf
Finally an article arguing that the precautionary principle should be applied to mask wearing guidance for the public