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KMID : 0425120180560010075
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Parasites, Hosts and Diseases
2018 Volume.56 No. 1 p.75 ~ p.79
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Echinostoma ilocanum Infection in Two Residents of Savannakhet Province, Lao PDR
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Chai Jong-Yil
Sohn Woon-Mok
Cho Jae-Eun
Eom Kee-Seon S.
Yong Tai-Soon
Min Duk-Young
Hoang Eui-Hyug
Phommasack Bounlay
Insisiengmay Bounnaloth
Rim Han-Jong
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Abstract
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Adult specimens of Echinostoma ilocanum (Garrison, 1908) Odhner, 1911 (Trematoda: Echinostomatidae) were recovered from 2 riparian people who resided along the Mekong River in Savannakhet Province, Lao PDR. In fecal examinations done by the Kato-Katz technique, they revealed echinostome eggs together with eggs of Opisthorchis viverrini (and minute intestinal fluke eggs) and hookworms. To recover the adult flukes, they were treated with praziquantel 30-40 mg/kg in a single dose and purged with magnesium salts. A total of 658 adult fluke specimens were recovered from the 2 people; 456 from case 1 and 202 from case 2. Specimens from case 1 consisted of 335 echinostomes (301 E. ilocanum and 34 species undetermined), 120 O. viverrini, and 1 Haplorchis taichui, and those from case 2 consisted of 36 E. ilocanum, 134 O. viverrini, and 32 H. taichui. Thus, the number of E. ilocanum specimens was 337 in total (average per person, 168.5). From this study, it is suggested that foodborne intestinal flukes and liver flukes are highly prevalent along the Mekong River in Savannakhet Province. The present report describes for the first time human infections with E. ilocanum in Lao PDR.
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KEYWORD
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Echinostoma ilocanum, Opisthorchis viverrini, Haplorchis taichui, echinostome, echinostomiasis, Savannakhet, Lao PDR
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