Volume 10, Number 6—June 2004
Research
Epidemiologic Clues to SARS Origin in China
Rui-Heng Xu*, Jian-Feng He*, Meirion R. Evans†‡
, Guo-Wen Peng*, Hume E Field§, De-Wen Yu*, Chin-Kei Lee¶, Hui-Min Luo*, Wei-Sheng Lin*, Peng Lin*, Ling-Hui Li*, Wen-Jia Liang*, Jin-Yan Lin*, and Alan Schnur#1
, Guo-Wen Peng*, Hume E Field§, De-Wen Yu*, Chin-Kei Lee¶, Hui-Min Luo*, Wei-Sheng Lin*, Peng Lin*, Ling-Hui Li*, Wen-Jia Liang*, Jin-Yan Lin*, and Alan Schnur#1
Table 2
SARS cases (%) by month of onset and occupational status, Guangdong, China, November 2002–April 2003a
| Occupational statusb | Jan 2003 or before no. (%) | Feb 2003 (%) | Mar 2003 (%) | Apr 2003 (%) | Total (%) |
|---|---|---|---|---|---|
| Retired |
2 (9) |
44 (10) |
46 (23) |
32 (16) |
124 (15) |
| Worker |
2 (9) |
40 (9) |
28 (14) |
22 (11) |
92 (11) |
| Student |
0 (0) |
29 (7) |
28 (14) |
34 (18) |
91 (11) |
| Civil servant |
3 (13) |
43 (10) |
26 (13) |
19 (10) |
91 (11) |
| Housewife |
0 (0) |
20 (5) |
28 (14) |
30 (15) |
78 (9) |
| Food industry worker |
9 (39) |
20 (5) |
4 (2) |
19 (10) |
52 (6) |
| Farmer |
1 (4) |
10 (2) |
4 (2) |
4 (2) |
19 (2) |
| Teacher |
1 (4) |
7 (2) |
6 (3) |
4 (2) |
18 (2) |
| Child |
0 (0) |
9 (2) |
4 (2) |
4 (2) |
17 (2) |
| Other |
2 (9) |
49 (11) |
14 (7) |
18 (9) |
83 (10) |
| Unknown |
3 (13) |
157 (37) |
14 (7) |
8 (4) |
182 (21) |
| Total | 23 (100) | 428 (100) | 202 (100) | 194 (100) | 847 (100) |
aSARS, severe acute respiratory syndrome.
bExcluding healthcare workers or case-patients with known exposure.
1Drs. Evans, Field, and Lee were consultants for the World Health Organization; they assisted in its Beijing office.
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