Enzootic angiostrongyliasis in Guangzhou, China, 2008-2010.

The American Journal of Tropical Medicine and Hygiene
Xiao YangXimei Zhan

Abstract

This study was conducted to gain an understanding of the Angiostrongylus cantonensis infection status of rodent definitive host, snail intermediate host, and local residents in Guangzhou, China. A total of 430 rats were captured and 23 rats, from two species, were infected, with an average infection rate of 5.35%. A total of 795 Achatina fulica snails and 734 Pomacea canaliculata snails were collected. The average infection rates of these two species were 13.96% (111 of 795) and 1.50% (11 of 734), respectively. As for the seroprevalence of different occupations, the rate among the "general group" was significantly lower than the "occupational group." From this survey, Guangzhou is implicated to be the natural focus of Angiostrongylus cantonensis. Rattus norvegicus and Achatina fulica play important roles in spreading this nematode in Guangzhou. Residents who live in Guangzhou, especially those working in certain industries such as agriculture, food-making, and aquaculture, face a higher risk of infection.

References

Jan 25, 2008·Emerging Infectious Diseases·Qiao-Ping WangZhao-Rong Lun
Feb 9, 2008·Emerging Infectious Diseases·Shan LvXiao-Nong Zhou
Oct 17, 2008·The Lancet Infectious Diseases·Qiao-Ping WangZhao-Rong Lun
Dec 3, 2008·Emerging Infectious Diseases·Ren-Li ZhangXing-Quan Zhu
Oct 31, 2009·The Journal of Parasitology·Jing WangChenghong Yin
Jul 19, 2011·Emerging Infectious Diseases·Zhen-Yu QuXi-Mei Zhan
Jul 21, 2011·Asian Pacific Journal of Tropical Medicine·Ximin HuChanghua He

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