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10.1080/22221751.2020.1771219

http://scihub22266oqcxt.onion/10.1080/22221751.2020.1771219
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32419639!7450259!32419639
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suck abstract from ncbi


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pmid32419639      Emerg+Microbes+Infect 2020 ; 9 (1): 1233-1237
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  • Viral loads in throat and anal swabs in children infected with SARS-CoV-2 #MMPMID32419639
  • Yuan C; Zhu H; Yang Y; Cai X; Xiang F; Wu H; Yao C; Xiang Y; Xiao H
  • Emerg Microbes Infect 2020[Dec]; 9 (1): 1233-1237 PMID32419639show ga
  • Real-time reverse transcriptase-polymerase chain reaction (RT-PCR) assay on anal swabs was recently reported to be persistently positive even after throat testing was negative during severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. However, data about the consistent performance of RT-PCR assay on throat and anal swabs remain limited in paediatric patients. Here, we retrospectively reviewed RT-PCR-testing results of 212 paediatric patients with suspected SARS-CoV-2 infection at Wuhan Children's Hospital. The diagnostic potential of these two types of specimens showed significant difference (positive rate: 78.2% on throat swabs vs. 52.6% on anal swabs, McNemar Test P = 0.0091) and exhibited a weak positive consistency (Kappa value was 0.311, P < 0.0001) in paediatric patients. Furthermore, viral loads detected on both throat and anal swabs also showed no significant difference (P = 0.9511) and correlation (Pearson r = 0.0434, P = 0.8406), and exhibited an inconsistent kinetic change through the course of SARS-CoV-2 infection. Besides, viral loads in the throat and anal swabs were correlated with different types of immune states, immune-reactive phase, and the resolution phase/immunologic tolerance, respectively. These findings revealed that RT-PCR-testing on throat and anal swabs showed significant difference for monitoring SARS-CoV-2 infection and correlated with different immune state in paediatric patients.
  • |*Viral Load[MESH]
  • |Anal Canal/*virology[MESH]
  • |Betacoronavirus/genetics/*isolation & purification[MESH]
  • |COVID-19[MESH]
  • |Child[MESH]
  • |China/epidemiology[MESH]
  • |Coronavirus Infections/diagnosis/epidemiology/*virology[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Male[MESH]
  • |Pandemics[MESH]
  • |Pharynx/*virology[MESH]
  • |Pneumonia, Viral/diagnosis/epidemiology/*virology[MESH]
  • |Real-Time Polymerase Chain Reaction/standards[MESH]
  • |Retrospective Studies[MESH]


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