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My understanding is that these tests are  most accurately performed 28 days after infection and are of more value in getting people back to work rather than in stemming the tide of infection (and death). A good Tory solution, in other words. Let the weak die off and get everybody else back to work ASAP.

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by Frank Schnittger (mail Frankschnittger at hot male dotty communists) on Fri Apr 3rd, 2020 at 12:57:40 AM EST
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I think most physicians would be comfortable proclaiming a diagnosis based upon an examination yielding a definitive combination of symptoms: a high fever, dry cough, and particularly a loss of the sense of smell. The test is fine if it yields quick results, but otherwise is only useful for epidemiological record keeping and work passes.
My wife (a GP) is suited up hazmat style today examing patients with appropriate symptoms. She detests working in the suit as it's hot, uncomfortable, and limiting, but still better than dying.
by Andhakari on Fri Apr 3rd, 2020 at 08:26:19 AM EST
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And useless if the actual % of population infected is small, since the false negative rate will overwhelm the positive rate. You'll need test + confirmatory test by different tech.
by Colman (colman at eurotrib.com) on Fri Apr 3rd, 2020 at 06:13:27 PM EST
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