Figure 3个  Table 2个
    • Parameter Building 1 Building 2 Building 3
      AIIR information
      AIIR numbers 41 41 33
      Beds in each AIIR 3 3 1 or 2
      Air pressure (Pa) -20 -20 -20
      Air change rate (per hour) 15 15 15
      Operation daysa 17 11 24
      Hospitalized patients
      Number of patients at first sampling 111 74 40
      Number of patients at second sampling 113 77 32
      Patient condition Mild Mild Severe, critical
      Surgery No No Intubation, tracheotomy, ECMO
      Healthcare workers
      Number of doctors 12 10 30
      Number of nurses 46 31 161
      AIIR airborne infectious isolation room, ECMO extracorporeal membrane oxygenation.
      aFrom the date that the first patient was hospitalized to when the first sample was collected.

      Table 1.  Information on airborne infectious isolation rooms (AIIRs) at the Shanghai Public Health Clinic Center.

    • Sampling sites Building 1 Building 2 Building 3 Total
      1sta 2nd 1st 2nd 1st 2nd
      Patient's room 7/537 (1.30%)
      1. Air outlet 0/5b 0/5 0/5 0/5 0/2 NA 0/22
      2. Floor 0/11 0/5 0/16 0/5 0/10 0/2 0/49
      3. Wall 0/5 0/5 0/7 0/5 0/5 0/3 0/30
      4. Door handle 0/10 0/13 0/12 0/5 0/5 0/14 0/59
      5. Foot operated opener 1/2 0/13 0/5 NA 0/3 3/14 4/37
      6. Chair 0/5 0/5 0/6 0/5 0/4 0/3 0/28
      7. Medical equipment 0/1 0/5 0/1 0/5 0/22 0/11 0/45
      8. Personal equipment (mobile phone) 0/6 0/7 0/6 NA 0/1 NA 0/20
      9. Bed edge 0/9 0/10 0/11 0/10 0/10 0/6 0/56
      10. Bathroom floor 0/2 0/5 0/3 0/5 0/3 0/3 0/21
      11. Shower set 0/4 0/5 0/6 0/5 0/5 0/3 0/28
      12. Sink 1/5 0/9 0/7 0/5 0/5 2/13 3/44
      13. Table including handle 0/5 0/5 0/8 0/5 0/6 0/3 0/32
      14. Toilet surface 0/4 0/6 0/6 0/5 0/4 0/3 0/28
      15. Pass-through box including handle 0/5 0/5 NA NA 0/2 NA 0/12
      16. Air sample 0/4 0/1 0/9 NA 0/5 0/7 0/26
      Corridor 13/310 (4.19%)
      17. Floor 0/9 0/14 0/3 0/6 3/12 1/18 4/62
      18. Wall 0/6 0/6 0/6 0/6 0/12 0/6 0/42
      19. Door handle 2/6 NA 0/4 NA 1/12 NA 3/22
      20. Foot operated opener 1/6 NA 0/6 0/6 3/6 NA 4/24
      21. Medical equipment 1/6 0/17 0/16 0/9 0/13 0/18 1/79
      22. Sink 0/6 0/15 0/4 0/6 0/12 0/18 0/61
      23. Table including handle NA NA 0/8 NA 1/2 NA 1/10
      24. Air sample 0/1 0/2 NA NA 0/1 0/4 0/10
      Elevator 2/69 (2.90%)
      25. Floor 0/8 0/3 0/2 0/3 0/6 0/3 0/25
      26. Wall 0/1 0/2 0/1 0/3 0/1 0/1 0/9
      27. Elevator button 0/4 1/10 0/3 0/3 0/4 1/11 2/35
      Healthcare workers 3/258 (1.16%)
      28. Face shield 0/10 0/5 0/6 0/3 0/10 0/8 0/42
      29. Front of protective clothing 0/10 0/5 0/6 0/3 0/11 0/8 0/43
      30. Back of protective clothing 0/1 NA 0/6 NA NA NA 0/7
      31. Hand (with gloves) 0/11 1/13 0/6 0/3 0/10 0/20 1/63
      32. Sleeves 0/9 0/5 0/6 0/3 0/10 0/8 0/41
      33. Foot 0/10 0/13 0/6 1/3 1/10 0/20 2/62
      a Different numbers refer to different sampling times. b It stands for the number of positive samples/the total number of samples. NA, not available

      Table 2.  Detection of SARS-CoV-2 in environmental samples collected from the contaminated area of the hospital.