The CDC is promoting a new study on the effectiveness of masks, but you have to read the fine print. Literally:

Do you see that 56% decrease there for cloth masks? Well, there’s a little tiny “#” after it that says the result was not statistically significant:

So, why even include it? From Reason:

If you read the tiny footnotes, you will see that the result for cloth masks was not statistically significant. So even on its face, this study, which was published in the CDC’s Morbidity and Mortality Weekly Report on Friday, did not validate the protective effect of the most commonly used face coverings—a striking fact that the authors do not mention until the end of the sixth paragraph. And once you delve into the details of the study, it becomes clear that the results for surgical masks and N95s, while statistically significant, do not actually demonstrate a cause-and-effect relationship, contrary to the way the CDC is framing them.

At least some health experts are calling out the CDC for it:

And the study itself is problematic:

Jacob Sollum, the author of the Reason piece we cited above, says this shows the CDC is “desperate to back up conclusions it has already reached”:

Great job, everyone: “A new scientific low point”:

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Tags: CDCmasks

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