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Can you help me understand how “catching COVID while not wearing a mask” is meaningfully different from “catching COVID from a family member while not wearing masks” in the context of whether masks are effective in preventing the spread of COVID? Seems an irrelevant distinction to me.

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I think:

You’re not catching covid in situations where you’d typically wear a mask (regardless of masking), rather where you typical don’t wear a mask, like from family member.

I’m not really saying I agree, but I think that is the context.

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