References
- Zhu N, Zhang D, Wang W, et al. A novel coronavirus from patients with pneumonia in China, 2019. N Engl J Med. 2020-02-20;382(8):727–733.
- The species severe acute respiratory syndrome-related coronavirus: classifying 2019-nCoV and naming it SARS-CoV-2. Nat Microbiol. 2020-04-01;5(4):536-544.
- WHO Coronavirus. (COVID-19) Dashboard | WHO Coronavirus (COVID-19) Dashboard with Vaccination Data. |.*2021*2021, 2021.
- Molina LP, Chow SK, Nickel A, et al. Prolonged detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA in an obstetric patient with antibody seroconversion. Obstet Gynecol. 2020-10-01;136(4):838–841.
- Cao H, Ruan L, Liu J, et al. The clinical characteristic of eight patients of COVID-19 with positive RT-PCR test after discharge. J Med Virol. 2020-10-01;92(10):2159–2164.
- Li N, Wang X, Lv T. Prolonged SARS-CoV-2 RNA shedding: Not a rare phenomenon. J Med Virol. 2020-11-01;92(11):2286–2287.
- Hoang VT, Dao TL, Gautret P. Recurrence of positive SARS-CoV-2 in patients recovered from COVID-19. J Med Virol. 2020-11-01;92(11):2366–2367.
- Hoang T. Characteristics of COVID-19 recurrence: A systematic review and meta-analysis. Ann Glob Health. 2021-03-24;87(1):28.
- Gao F, Tao L, Ma X, et al. A study of policies and guidelines for collecting, processing, and storing coronavirus disease 2019 patient biospecimens for biobanking and research. Biopreserv Biobank. 2020-12-01;18(6):511–516.
- Bwire GM, Majigo MV, Njiro BJ, et al. Detection profile of SARS-CoV-2 using RT-PCR in different types of clinical specimens: A systematic review and meta-analysis. J Med Virol. 2021-02-01;93(2):719–725.
- Sun M, Guo D, Zhang J, et al. Anal swab as a potentially optimal specimen for SARS-CoV-2 detection to evaluate hospital discharge of COVID-19 patients. Future Microbiol. 2020-08-01;15:1101–1107.
- Kipkorir V, Cheruiyot I, Ngure B, et al. Prolonged SARS-CoV-2 RNA detection in anal/rectal swabs and stool specimens in COVID-19 patients after negative conversion in nasopharyngeal RT-PCR test. J Med Virol. 2020-11-01;92(11):2328–2331.
- Wolfel R, Corman VM, Guggemos W, et al. Virological assessment of hospitalized patients with COVID-2019. Nature. 2020-05-01;581(7809):465–469.
- Woloshin S, Patel N, Kesselheim AS. False negative tests for SARS-CoV-2 infection - Challenges and implications. N Engl J Med. 2020-08-06;383(6):e38.
- The eighth edition of the guideline for diagnosis and treatment of SARS-CoV-2 issued by the National Health Commission of the People's Republic of China. http://www.gov.cn/zhengce/zhengceku/2020-08/19/5535757/files/da89edf7cc9244fbb34ecf6c61df40bf.pdf., 2021.
- Zheng S, Fan J, Yu F, et al. Viral load dynamics and disease severity in patients infected with SARS-CoV-2 in Zhejiang province, China, January–March 2020: retrospective cohort study. Br Med J. 2020-04-21;369:m1443.
- Zhou R, Li F, Chen F, et al. Viral dynamics in asymptomatic patients with COVID-19. Int J Infect Dis. 2020-07-01;96:288–290.
- Abdullah M, Sudrajat DG, Muzellina VN, et al. The value of anal swab RT-PCR for COVID-19 diagnosis in adult Indonesian patients. BMJ Open Gastroenterol. 2021-05-01;8(1):e000590
- Arevalo-Rodriguez I, Buitrago-Garcia D, Simancas-Racines D, et al. False-negative results of initial RT-PCR assays for COVID-19: a systematic review. PLOS ONE. 2020-01-20;15(12):e242958.
- Walls AC, Park YJ, Tortorici MA, et al. Structure, function, and antigenicity of the SARS-CoV-2 spike glycoprotein. Cell. 2020-04-16;181(2):281–292.
- Hoffmann M, Kleine-Weber H, Schroeder S, et al. SARS-CoV-2 cell entry depends on ACE2 and TMPRSS2 and Is blocked by a clinically proven protease inhibitor. Cell. 2020-04-16;181(2):271–280.
- Leung WK, To KF, Chan PK, et al. Enteric involvement of severe acute respiratory syndrome-associated coronavirus infection. Gastroenterology. 2003-10-01;125(4):1011–1017.
- Wyllie AL, Fournier J, Casanovas-Massana A, et al. Saliva or nasopharyngeal swab specimens for detection of SARS-CoV-2. N Engl J Med. 2020-09-24;383(13):1283–1286.
- Landry ML, Criscuolo J, Peaper DR. Challenges in use of saliva for detection of SARS CoV-2 RNA in symptomatic outpatients. J Clin Virol. 2020-09-01;130:104567.
- Huang P, Liu T, Huang L, et al. Use of chest CT in combination with negative RT-PCR assay for the 2019 novel coronavirus but high clinical suspicion. Radiology. 2020-04-01;295(1):22–23.
- Xie X, Zhong Z, Zhao W, et al. Chest CT for typical coronavirus disease 2019 (COVID-19) pneumonia: relationship to negative RT-PCR testing. Radiology. 2020-08-01;296(2):E41–E45.