Author: Kim, Jin Yong; Ko, Jae-Hoon; Kim, Yeonjae; Kim, Yae-Jean; Kim, Jeong-Min; Chung, Yoon-Seok; Kim, Heui Man; Han, Myung-Guk; Kim, So Yeon; Chin, Bum Sik
Title: Viral Load Kinetics of SARS-CoV-2 Infection in First Two Patients in Korea Document date: 2020_2_20
ID: 0gkoanrg_2_1
Snippet: tial viral loads were relatively lower (49,047 copies/mL for URT and 391,243 copies/mL for LRT) than those of Patient 1 (46,971,053 copies/mL for URT and 9,171,220 copies/mL for LRT) in whom the test was performed on day 2 of symptom onset. SARS-CoV-2 was detected a few more times during hospitalization from both URT and LRT specimens at low levels. As he had just mild cough with little or no sputum, LRT specimens In Patient 2, the exact fever du.....
Document: tial viral loads were relatively lower (49,047 copies/mL for URT and 391,243 copies/mL for LRT) than those of Patient 1 (46,971,053 copies/mL for URT and 9,171,220 copies/mL for LRT) in whom the test was performed on day 2 of symptom onset. SARS-CoV-2 was detected a few more times during hospitalization from both URT and LRT specimens at low levels. As he had just mild cough with little or no sputum, LRT specimens In Patient 2, the exact fever duration could not be estimated because he had taken non-steroidal anti-inflammatory agent to control his myalgia and sore throat before hospitalization. When his physician discontinued the medication, the fever was observed; b) Patient 2 experienced loose stool after taking Lopinavir/ ritonavir. were available only a few times. From D18 (URT specimen) and D20 (LRT specimen), rRT-PCR became undetectable for two consecutive days, respectively. On day 25, RdRp (Ct value of 36.69) and E (Ct value of 33.18) genes was detected again from the URT sample of day 25, it was interpreted as negative due to high Ct value of RdRp gene. From his plasma and stool specimens, only E genes were once detected on day 17 and it was also interpreted as negative result. His CXR improved from day 19 and he was discharged on day 27 (February 5, 2020).
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