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Table 1 Sampling time points in relation to patient illness and results of clinical samples

From: Contamination of SARS-CoV-2 in patient surroundings and on personal protective equipment in a non-ICU isolation ward for COVID-19 patients with prolonged PCR positive status

Room Patient On the day of environment sampling Most recent clinical samples (Ct values, ORF1ab/N genes)b
Days of illness or positive PCRa Symptoms Nebuli- zation Positive clinical samples
(Ct values, ORF1ab/N genes)c
 
1 A 33 None  +  All negative Nasopharyngeal swab (36.5/27.7), day 31
2 B 34 Breath shortness, chest pain   All negative Nasopharyngeal swab (36.5/19.4) & sputum (36.7/26), day 32
3 C 42 Cough  +  Nasopharyngeal swab (32.3/35.8)  
   50 Cough, fever   Nasopharyngeal swab (-/35.5) & sputum (21.4/24.9)  
4 D 39 Cough, sputum production, fever  +  All negative Nasopharyngeal swab (28/29.3), day 37
   47 Cough, sputum production  +  Nasopharyngeal swab (-/37.3)  
  E 40 None   All negative Oropharyngeal swab (25.1/23.5), day 38
5 F 44 Cough, sputum production  +  Sputum (28.0/20.8)  
   52 Cough, sputum production   Oropharyngeal swab (-/34.2) & sputum (23.4/25.1)  
  G 33 None   Nasopharyngeal swab (37.3/34.7)  
6 H 34 Cough, sputum production   Sputum (37.1/32.8)  
   42 Cough, sputum production   Nasopharyngeal swab (28.0/28.3)  
  I 35 None   Stool (37.9/26.0)  
   43 Palpitation, chest burning sensation  +  Nasopharyngeal (-/36.1) & oropharyngeal swabs (28.2/25.3)  
  1. aFor those without symptoms, the days refer to the positive PCR status
  2. bOn the day of environment sampling, nasopharyngeal swab, oropharyngeal swab, sputum and stool were collected for all patients with symptoms, while nasopharyngeal swab, oropharyngeal swab and stool were collected for all patients without symptoms. Cycle threshold (Ct) values of PCR were shown. -, negative at the 40th cycles
  3. cThe most recent positive clinical samples are shown for patients with no positive clinical samples on the day of environment sampling
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