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Allow me to share a significant revelation from this week: a high-profile public health influencer said to me that contact tracing for COVID is not backed by science, and he called it “dogma”. In fact the practice *is* backed by science, specifically for COVID:
Jan. 25, 2021 the journal Nature published “Cross-country evidence on the association between contact tracing and case fatality rates”
Everyone makes mistakes, especially during a fast-moving pandemic. But this misinformation needs correcting. And those corrections need reinforcing.
Like rapid antigen tests and high-sensitivity PCRs, contact tracing is flawed. That’s why they’re all important slices of the “Swiss Cheese Model”, the layered strategy of containment, which I’ve adapted from the Cleveland Clinic (see graphic below.)
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