Volume 11, Number 12—December 2005
Research
Echinococcosis in Tibetan Populations, Western Sichuan Province, China
Li Tiaoying*, Qiu Jiamin*
, Yang Wen*, Philip S. Craig†, Chen Xingwang*, Xiao Ning*‡, Akira Ito‡, Patrick Giraudoux§, Mamuti Wulamu‡, Yu Wen*, and Peter M. Schantz¶
, Yang Wen*, Philip S. Craig†, Chen Xingwang*, Xiao Ning*‡, Akira Ito‡, Patrick Giraudoux§, Mamuti Wulamu‡, Yu Wen*, and Peter M. Schantz¶
Table 2
Prevalence of echinococcosis determined by abdominal ultrasound in 26 villages, Shiqu County*
| Township | Village | No. examined | AE |
CE |
Total |
|---|---|---|---|---|---|
| No. cases (%) | No. cases (%) | No. cases (%) | |||
| Yiniu | Benri1 | 88 | 9 (10.2) | 3 (3.4) | 12 (13.6) |
| Benri2 | 77 | 4 (5.2) | 0 | 4 (5.2) | |
| Benri3 | 57 | 5 (8.8) | 0 | 5 (8.8) | |
| Jiefang1 | 64 | 5 (7.8) | 4 (6.3) | 9 (14.1) | |
| Jiefang2 | 83 | 11 (13.3) | 2 (2.4) | 13 (15.7) | |
| Yiniu1 | 137 | 12 (8.8) | 6 (4.4) | 18 (13.1) | |
| Yiniu2 | 87 | 10 (11.5) | 1 (1.1) | 11 (12.6) | |
| Subtotal | 593 | 56 (9.4) | 16 (2.7) | 72 (12.1) | |
| Mengsha | Mengsha1 | 52 | 3 (5.8) | 6 (11.5) | 9 (17.3) |
| Mengsha2 | 39 | 0 | 2 (5.1) | 2 (5.1) | |
| Mengsha3 | 33 | 2 (6.1) | 2 (6.1) | 4 (12.1) | |
| Xinrong1 | 95 | 12 (12.6) | 7 (7.4) | 19 (20.0) | |
| Xinrong2 | 22 | 1 (4.5) | 1 (4.5) | 2 (9.1) | |
| Xinrong3 | 30 | 2 (6.7) | 3 (10.0) | 5 (16.7) | |
| Subtotal | 271 | 20 (7.4) | 21 (7.7) | 41 (15.1) | |
| Arizha | Arizha1 | 48 | 1 (2.1) | 3 (6.3) | 4 (8.3) |
| Arizha2 | 33 | 2 (6.1) | 4 (12.1) | 6 (18.2) | |
| Arizha3 | 59 | 5 (8.5) | 0 | 5 (8.5) | |
| Arizha4 | 62 | 5 (8.1) | 1 (1.6) | 6 (9.7) | |
| Arizha5 | 35 | 5 (14.3) | 0 | 5 (14.3) | |
| Arizha6 | 44 | 3 (6.8) | 2 (4.5) | 5 (11.4) | |
| Arizha7 | 42 | 3 (7.1) | 1 (2.4) | 4 (9.5) | |
| Subtotal | 323 | 24 (7.4) | 11 (3.4) | 35 (10.8) | |
| Xiazha | Xiazha | 266 | 10 (3.8) | 13 (4.9) | 23 (8.6) |
| Ase | 104 | 5 (4.8) | 6 (5.8) | 11 (10.6) | |
| Taxu | 153 | 8 (5.2) | 12 (7.8) | 20 (13.1) | |
| Subtotal | 523 | 23 (4.4) | 31 (5.9) | 54 (10.3) | |
| Qiwu | Qiwu | 219 | 2 (0.9) | 16 (7.3) | 18 (8.2) |
| Getuo | 78 | 0 | 3 (3.8) | 3 (3.8) | |
| Juewu | 26 | 1 (3.8) | 2 (7.7) | 3 (11.5) | |
| Subtotal | 323 | 3 (0.9) | 21 (6.5) | 24 (7.4) | |
| Total | 2033 | 126 (6.2) | 100 (4.9) | 226 (11.1) |
*Calculations of village prevalence were based on a lower number of participants than the total study population because 1,166 study participants, including public servants, teachers, businessmen working in the area, and additional herdsmen from other townships in the vicinity of Shiqu County also participated in this survey. AE, alveolar echinococcosis; CE, cystic echinococcosis.
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