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Volume 10, Number 3—March 2004

Perspective

SARS Transmission and Hospital Containment

Gowri Gopalakrishna*, Philip Choo†, Yee Sin Leo†, Boon Keng Tay‡, Yean Teng Lim§, Ali S. Khan¶1, and Chorh Chuan Tan*Comments to Author 
Author affiliations: *Ministry of Health, Singapore; †Tan Tock Seng Hospital, Singapore; ‡Singapore General Hospital, Singapore; §National University Hospital, Singapore; ¶Centers for Disease Control and Prevention, Atlanta, Georgia, USA; 1Short-term consultant, Global Outbreak and Alert Response Network (GOARN), World Health Organization

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Table

Key features of the outbreak in Tan Tock Seng Hospital, Singapore General Hospital, and National University Hospitala

Features Tan Tock Seng Hospital
(N = 109) Singapore General Hospital
(N = 60) National University Hospital
(N = 10)
Index case-patient



     Age (y)
22
60
64
     Symptoms/diagnosis
Fever, headache, cough, patchy right infiltrate
Gastrointestinal bleeding, diabetic foot ulcer
Fever, increasing shortness of breath, hypotension
     Time from admission to isolation (d)
6
10
1
Healthcare workers with probable SARS (%)



     Doctors
8 (7)
3 (5)
1 (10)
     Nurses
35 (32)
21 (35)
2 (20)
     Ancillary caregiversb
3 (3)
6 (10)
0
     Othersc
3 (3)
10 (17)
0
     No. of superspreading events
3 (including patient A)
1
1
     Average time from onset to isolation (d)
4.6
2.6
1
Age (%)



     <20 y
10 (9)
0 (0)
1 (10)
     20–29 y
40 (37)
7 (11)
4 (40)
     30–39 y
25 (23)
13 (24)
1 (10)
     40–49 y
11 (10)
10 (16)
0
     50–59 y
15 (14)
11 (18)
0
     ≥60 y 8 (7) 19 (31) 4 (40)

aSARS, severe acute respiratory syndrome.
bIncludes technicians, radiographers, and sonographers.
cIncludes ward clerks, housekeepers, porters, and healthcare attendants.

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