Are you infectious if you have a positive PCR test result for COVID-19
Source : CEBM – The Centre for Evidence-Based Medicine develops, promotes and disseminates better evidence for healthcare. August 5, 2020 Tom Jefferson, Carl Heneghan, Elizabeth Spencer, Jon Brassey PCR detection of viruses is helpful so long as its accuracy can be understood: it offers the capacity to detect RNA in minute quantities, but whether that RNA represents infectious virus may […]
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