Consistent Inaccuracies in COVID-19 Testing and Reporting

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STORY AT-A-GLANCE

  • A suspiciously high number of laboratories in Florida are reporting 100% of COVID-19 viral tests as positive. It appears many labs may be submitting positive results only, omitting negative results altogether
  • In Florida, while each positive test result is counted as a “case,” a single person may have two or more test results. So, one infected individual can be counted as two “cases”
  • Some states have also excluded negative test results from their reporting, thereby giving us an incomplete and misleading picture of the spread of the disease across the country
  • If the prevalence of infection in the community is 1%, and you have a test that’s only 99% specific, then about 50% of all positive tests will be false positives
  • The BD SARS-CoV-2 Reagents for the BD Max System test has a 3% false positive rate. The Cellex antibody test, which has a reported sensitivity of 94% and specificity of 96%, delivers unacceptably high rates of false positives

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