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Prevalence of the Intestinal Flukes Haplorchis taichui and H. yokogawai in a Mountainous Area of Phongsaly Province, Lao PDR
The Korean Journal of Parasitology ; : 339-342, 2010.
Article in English | WPRIM | ID: wpr-62039
ABSTRACT
Phongsaly Province, located in the northernmost area of Lao PDR, was previously suggested to be endemic for the liver fluke Opisthorchis viverrini infection. To confirm, or rule out, this suggestion, the Phonxay village in the Khoua District, Phongsaly Province, was selected for a survey. Ten volunteers (8 men and 2 women aged 31-57 years) who consumed raw freshwater fish and had gastrointestinal troubles were treated with a single dose of praziquantel (40 mg/kg) and pyrantel pamoate (10 mg/kg) and purged with magnesium sulfate to recover any worm parasites. Eight of the 10 volunteers expelled 1 or more species of trematodes, nematodes, or cestodes (worm positive rate; 80%). The worms were morphologically identified as H. taichui (861 worms from 8 people), H. yokogawai (59 from 6 people), Phaneropsolus bonnei (1 from 1 person), Trichostrongylus sp. (2 from 2 people), Ascaris lumbricoides (2 from 1 person), Enterobius vermicularis (11 from 3 people), and Taenia saginata (1 strobila with scolex from 1 person). The results indicate that the mountainous area of Phongsaly Province, Lao PDR, is not endemic for the liver fluke but endemic for intestinal flukes, in particular, Haplorchis taichui and H. yokogawai.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Praziquantel / Pyrantel Pamoate / Trematode Infections / Prevalence / Feces / Heterophyidae / Laos / Antiparasitic Agents Type of study: Prevalence study / Risk factors Limits: Animals / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: The Korean Journal of Parasitology Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Praziquantel / Pyrantel Pamoate / Trematode Infections / Prevalence / Feces / Heterophyidae / Laos / Antiparasitic Agents Type of study: Prevalence study / Risk factors Limits: Animals / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: The Korean Journal of Parasitology Year: 2010 Type: Article