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World held hostage by hit-or-miss Covid-19 tests

• tomohawk 7y ago
  > The meaning of a test result for a person depends not only on the accuracy of the test, but also on the estimated risk of disease before testing. This was described mathematically by Thomas Bayes and later explained by Siddhartha Mukherjee as the law that “a strong intuition is much more powerful than a weak test.”