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Table 1 Hospital A staff by job category – SARS attack rates and serologic profiles, Hanoi, 2003.

From: Factors associated with nosocomial SARS-CoV transmission among healthcare workers in Hanoi, Vietnam, 2003

    SARS outbreak at Hospital A Enrollment number of hospital workers (%)
  Staff position Hospital A employees SARS cases* Attack rate Deaths Completed survey Serologic specimen Enrolled workers with positive serologic result
Direct patient care Physician§ 29 8 27.6 4 17 (58.6) 19 (65.5) 7 (36.8)
  Midwife 10 4 40.0 0 9 (90.0) 8 (80.0) 4 (50.0)
  Nurse (gen. ward) 19 9 47.4 2 16 (84.2) 19 (100) 10 (52.6) 2 new
  Nurse (Op.Rm./ICU) 14 1 7.1 0 8 (57.1) 9 (64.3) 0
  Nurse (other) 7 4 57.1 0 7 (100) 6 (85.7) 4 (66.7)
sub-total   79 26 32.9 6 58 (73.4) 61 (77.2) 26(42.6)
Other clinical staff Dental 3 0 0 0 3 (100) 1 (33.3) 0
  Laboratory 7 0 0 0 6 (85.7) 3 (42.9) 0
  Pharmacy 2 0 0 0 2 (100) 2 (100) 0
  Radiology 6 2 33.3 0 5 (83.3) 5 (83.3) 1 (20.0)
  Physiotherapy 1 1 100.0 0 1 (100) 1 (100) 1 (100)
sub-total   19 3 15.8 0 15 (79.0) 12 (63.2) 2 (16.7)
Sanitation/Kitchen Housekeeping 16 4 25.0 0 16 (100) 11 (68.8) 4 (36.4)
  Laundry 7 0 0 0 7 (100) 6 (85.7) 1 (16.7) 1 new
  Kitchen 5 1 20.0 0 4 (80.0) 2 (40.0) 1 (50.0)
  Other 2 1 50.0 0 1 (50) 1 (50.0) 1 (100)
sub-total   30 6 20.0 0 27 (90.0) 20 (66.7) 6 (30.0)
Other non-clinical Administration 28 0 0 0 22 (78.6) 8 (28.6) 0
  Reception 13 1 9.1 0 10 (76.9) 6 (46.2) 2 (33.3) 1 new
  Security 8 0 0 0 7 (87.5) 6 (75.0) 0
  Maintenance 3 0 0 0 3 (100) 3 (100) 0
  Operations 13 0 0 0 11 (84.6) 8 (61.5) 0
sub-total   65 1 1.5 0 53 (81.5) 31 (47.7) 2 (6.5)
Total Hospital A staff 193 36 18.7 6 153 (79.3) 124 (64.2) 36 (29.0)
  1. * Refers to cases identified during the course of the outbreak. 4 of the 36 initially identified SARS cases during the outbreak did not have serological confirmation, and they were replaced by the 4 additional, previously unrecognized, seropositive individuals identified during the serosurvey (n = 36).
  2. † The case fatality rates among physicians, nurses from the general ward, and among staff with patient care duties are 50, 22, and 23%, respectively.
  3. ‡ Positive serologic results are listed as 'new' if the individual was not recognized as a symptomatic case during the outbreak, but was found to be seropositive during the course of this study.
  4. § Physicians cases include: Anesthetist/Anesthesiologist (3), General Practitioner (2), Pulmonary Specialist (1), Gynecologist (1), Orthopedic Surgeon (1). Radiologists are included in the 'Radiology' category.
  5. ¶ Nurses who were assigned to the general inpatient ward, or the intensive care unit/operating room are indicated, others not specifically assigned are grouped into a single category.