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George Gooding's avatar

Can this even be called a randomized *clinical* trial? They have not directly observed or treated any patients, they haven't even directly interacted with anyone at all, much less confirmed any of their actions.

I can't understand why BMJ would even accept a trial with such a design. It's completely useless.

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Bonnie Smith's avatar

Brilliant.

Another variable would be social isolation? I have several family members that are very “ Covid cautious”, which means that they meticulously avoid most interactions with others that are not as cautious as they are. If you’re not going out into the public or only going out minimally, I’m pretty sure you’ll show a reduction in infection? ( One has to be “ around” germs to catch one?) I would propose that folks that are willing to faithfully wear a mask at all times might also be more isolative? Giving us an unknown confounding variable?

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