The SARS-CoV-2 transmission riddle - Part 3
Binary PCR positivity is a meaningless test result on its own
While immersed in reviewing studies, we soon realised that a “case” meant different things depending on where you looked. In September 2020, we documented these differences. We were confused then, as much as now, by one central question: when is Covid-19 Covid-19?
Most if not all confirmed cases are based on a positive polymerase chain reaction (PCR) te…
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