Volume 10, Number 2—February 2004
THEME ISSUE
2004 SARS Edition
Laboratory Study
Real-Time Polymerase Chain Reaction for Detecting SARS Coronavirus, Beijing, 2003
Table
Summary of clinical samplesa
| Specimens | Total patients | 1–10 d |
11–20 d |
21–30 d |
31–40 d |
>40 d |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| pos | neg | pos | neg | pos | neg | pos | neg | pos | neg | ||
| Feces PCR |
326 |
10 |
27 |
19 |
52 |
12 |
65 |
12 |
55 |
7 |
67 |
| Blood PCR |
426 |
28 |
34 |
20 |
21 |
22 |
143 |
26 |
132 |
NA |
NA |
| Blood IgG |
426 |
6 |
56 |
10 |
31 |
82 |
83 |
138 |
20 |
NA |
NA |
| Blood IgM | 426 | 8 | 54 | 6 | 35 | 63 | 102 | 82 | 76 | NA | NA |
apos, positive;eg, negative; PCR, polymerase chain reaction; Ig, immunoglobulin; NA, not available.


