Emerging Infectious Disease ISSN: 1080-6059

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Epidemiology of Schistosomiasis in the People’s Republic of China, 2004

Xiao-Nong Zhou*

, Jia-Gang Guo*, Xiao-Hua Wu*, Qing-Wu Jiang†, Jiang Zheng*, Hui Dang*, Xian-Hong Wang*, Jing Xu*, Hong-Qing Zhu*, Guan-Ling Wu‡, Yue-Sheng Li§, Xing-Jian Xu¶, Hong-Gen Chen#, Tian-Ping Wang**, Yin-Chang Zhu††, Dong-Chuan Qiu‡‡, Xing-Qi Dong§§, Gen-Ming Zhao†, Shao-Ji Zhang#, Nai-Qing Zhao†, Gang Xia¶¶, Li-Ying Wang¶¶, Shi-Qing Zhang**, Dan-Dan Lin#, Ming-Gang Chen*, and Yang Hao¶¶

Author affiliations: *National Institute of Parasitic Diseases, Shanghai, People’s Republic of China; †Fudan University, Shanghai, People’s Republic of China; ‡Nanjing Medical University, Nanjing, People’s Republic of China; §Hunan Institute of Parasitic Diseases, Yueyang, People’s Republic of China; ¶Hubei Institute of Parasitic Diseases, Wuhan, People’s Republic of China; #Jiangxi Institute of Parasitic Diseases, Nanchang, People’s Republic of China; **Anhui Institute of Parasitic Diseases, Wuhu, People’s Republic of China; ††Jiangsu Institute of Parasitic Diseases, Wuxi, People’s Republic of China; ‡‡Sichuan Institute of Parasitic Diseases, Chengdu, People’s Republic of China; §§Yunnan Institute of Endemic Diseases, Dali, People’s Republic of China; ¶¶Ministry of Health, Beijing, People’s Republic of China;

Main Article

Table

ELISA and Kato-Katz thick smear results for Schistosoma japonicum infection prevalence and intensity, stratified by occupation and education, People’s Republic of China*

Characteristic	ELISA		Kato-Katz		Corrected prevalence, %	Geometric mean EPG (infected)	Geometric mean EPG (population)
Characteristic	No. examined	Positive rate, %	No. examined	Positive rate, %	Corrected prevalence, %	Geometric mean EPG (infected)	Geometric mean EPG (population)
Preschool children	848	8.7	65	18.5	0.4	31	0.9
Students	61,430	6.7	3,861	9.7	1.8	37	0.4
Farmers	184,325	14.0	24,285	8.9	2.6	32	0.4
Fishermen and boatmen	1,150	25.0	284	16.5	3.3	54	0.9
Others	3,234	14.0	413	6.5	2.5	30	0.3
Education level
Illiterate	14,078	18.9	2,559	9.1	2.5	33	0.4
Primary school	119,016	12.2	13,655	9.2	2.5	35	0.4
Junior high school	101,283	11.4	10,917	8.5	2.6	31	0.3
Senior high school	11,616	10.4	1,160	9.3	2.6	31	0.4
Additional education	1,993	7.1	136	10.3	2.3	27	0.4
Unknown	3,001	20.5	481	18.3	2.3	25	0.8
Total	250,987	12.2	28,908	9.1	2.5	33	0.4