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Anyone following the early data from China noticed this trend of PROFOUND underrepresentation of smokers w COVID19.

Lots of theories why, but my latest (total ignoramus speculation) is that smokers are more likely to have been exposed to the common endemic coronaviruses, which seem to result in T-cells that are able to fight Sars2: https://www.youtube.com/watch?v=H07ukT8WkfY&feature=youtu.be

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I like that line of thinking. It leads me immediately to the question "do smokers get more colds?". If the answer is yes, you may be on to something. If the hypothesis in the paper is right the answer should be that they get fewer colds.

For me this whole thing reminds me that nobody takes colds seriously. But now it seems like there has actually been a lot of study on coronaviruses.

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