Up to 90 percent of people tested for COVID-19 in Massachusetts, New York and Nevada in July carried barely any traces of the virus, a new report says Experts say it could be because today’s tests are ‘too sensitive’  In the US PCR testing is the most widely used diagnostic test for COVID-19  PCR tests … Continue reading Up to 90 per cent of people diagnosed with coronavirus may not be carrying enough of it to infect anyone else, study finds as experts say tests are too sensitive – Daily Mail