Who ever is advising @MattHancock does not know what a false positive is. It is the percentage of tests done that will be positive. At 1% it would mean half of current cases have been misdiagnosed.https://twitter.com/talkRADIO/status/1306916231170191361 …
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In the first week of August the Australian state of NSW ran 150,000 tests and recorded 110 positives. In an absolute worst case scenario, where every positive was false, that implies a sensitivity of 0% and a specificity of ~99.94%
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False positives are not just a result of the testing process. They are also a function of the population being tested. Plus you can't take a minimum value - it will tend to a mean.
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In Germany? We never had it studied from my knowledge. What are you referring to?
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