Volume 20, Number 11—November 2014
Dispatch
Increasing Prevalence and Intensity of Foodborne Clonorchiasis, Hengxian County, China, 1989–2011
Men-Bao Qian, Ying-Dan Chen, Yi-Chao Yang, Ming-Fei Lu, Zhi-Hua Jiang, Kang Wei, Si-Liang Wei, Chang-Hai Zhou, Long-Qi Xu, and Xiao-Nong Zhou
Table 1
Standardized prevalence of parasitic diseases, as determined from 3 surveys, Hengxian County, China, 1989–2011*
| Infection | Prevalence, % |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Survey 1, 1989 |
Survey 2, 2002 |
Survey 3, 2011 |
|||||||||
| Female, n = 1,134† | Male, n = 1,227‡ | Total, n = 2,361§ | Female, n = 775¶ | Male, n = 925‖ | Total, n = 1,700# | Female, n = 1,641 | Male, n = 1,796 | Total, n = 3,437 | |||
| Clonorchiasis |
10.4 |
28.5 |
19.7 |
20.8 |
39.6 |
30.5 |
29.2 |
62.9 |
46.5 |
||
| Soil-transmitted helminthiases** | 86.2 | 86.3 | 86.3 | 29.5 | 20.9 | 25.1 | 9.4 | 4.7 | 7.0 | ||
| Roundworms | 70.1 | 69.6 | 69.8 | 16.9 | 10.9 | 13.8 | 0.5 | 0.4 | 0.5 | ||
| Whipworms | 57.0 | 54.5 | 55.7 | 13.1 | 9.4 | 11.2 | 1.7 | 1.0 | 1.4 | ||
| Hookworms | 27.8 | 21.1 | 24.3 | 7.8 | 4.9 | 6.3 | 7.5 | 3.2 | 5.3 | ||
*Population data were derived from the 2010 census for Hengxian County.
†117 children <5 years of age were excluded.
‡145 children <5 years of age were excluded.
§262 children <5 years of age were excluded.
¶24 children <5 years of age were excluded.
‖24 children <5 years of age were excluded.
#48 children <5 years of age were excluded.
**Some participants were infected with >1 type of helminth.
Page created: October 17, 2014
Page updated: October 17, 2014
Page reviewed: October 17, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
Content Credential