Volume 86, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



This study was conducted to gain an understanding of the 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 snails and 734 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 . and 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.


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  • Received : 17 Jul 2011
  • Accepted : 10 Jan 2012

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