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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Am+J+Trop+Med+Hyg 2020 ; 103 (3): 1204-1206 Nephropedia Template TP
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Temporal Change of SARS-CoV-2 in Clinical Specimens of COVID-19 Pneumonia Patients #MMPMID32662396
Am J Trop Med Hyg 2020[Sep]; 103 (3): 1204-1206 PMID32662396show ga
The quality and type of specimen collection affect the sensitivity of real-time reverse transcriptase-PCR (rRT-PCR) for the diagnosis of SARS-CoV-2. In this report, the course over time of rRT-PCR for SARS-CoV-2 in 26 clinical specimens collected from the upper (nasopharyngeal and throat swabs) and lower (sputum) respiratory tracts of COVID-19 cases with pneumonia was investigated along with the clinical course. The preliminary results revealed that higher SARS-CoV-2 RNA concentration and longer time for detection make self-collected sputum a preferable specimen for the diagnosis and follow-up of COVID-19 pneumonia. Self-collection of sputum can minimize the risk of unnecessary exposure to healthcare workers, preserve the shortage of personal protective equipment, and limit viral transmission to the environment.