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Volume 10, Number 2—February 2004
2004 SARS Edition
Laboratory Study

Detection of SARS Coronavirus in Patients with Suspected SARS

Kwok H. Chan*, Leo L.L.M. Poon†, V.C.C. Cheng*, Yi Guan†, I.F.N. Hung*, Joseph S.M. Peiris‡Comments to Author , Loretta Y.C. Yam§, Wing H. Seto*, Kwok Y. Yuen†, and Joseph S. Malik Peiris†Comments to Author 
Author affiliations: *Queen Mary Hospital, Hong Kong Special Administrative Region, People’s Republic of China (SAR); †University of Hong Kong, Hong Kong SAR; ‡Hospital Authority Head Office, Hong Kong SAR; §Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR

Main Article

Table 3

SARS coronavirus RNA detection in saliva, endotracheal aspirates, and sputum at different times after onset of illness in patients with serologically confirmed SARS-CoV infectiona

D after onset Positive saliva samples/total (%) Positive endotracheal aspirate/total (5) Positive sputum/total
0–4 ND ND 3/6
5–10 1/6 (17.0) 1/2 3/3
11–20 6/45 (13.3) 2/3 1/1
21–30 2/96 (2.1) 13/19 (68.4) ND
31–40 3/58 (5.2) 1/1 ND
41–50 1/29 (3.4) ND ND
>50 0/40 (0.0) 0/1 0/1

aSARS, severe acute respiratory syndrome; SARS-CoV, severe acute respiratory syndrome coronavirus; ND, not done.

Main Article

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Page updated: January 25, 2011
Page reviewed: January 25, 2011
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