Korean J Parasitol.
2013 Dec;51(6):727-734. 10.3347/kjp.2013.51.6.727.
A Cross-Sectional Study on Intestinal Parasitic Infections in Rural Communities, Northeast Thailand
- Affiliations
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- 1Department of Community Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002; Thailand.
- 2Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002; Thailand. bthida@kku.ac.th
- 3Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand.
- 4Northeast Animal Laboratory Center, Khon Kaen University, Khon Kaen 40002, Thailand.
- 5Namphong Hospital, Khon Kaen 40002, Thailand.
- 6Research and Diagnostic Center for Emerging Infectious Diseases, Khon Kaen University, Khon Kaen 40002, Thailand.
- 7Faculty of Veterinary Medicine, Mahasarakram University, Mahasarakram, Thailand.
- KMID: 1712228
- DOI: http://doi.org/10.3347/kjp.2013.51.6.727
Abstract
- Despite the existence of effective anthelmintics, parasitic infections remain a major public health problem in Southeast Asia, including Thailand. In rural communities, continuing infection is often reinforced by dietary habits that have a strong cultural basis and by poor personal hygiene and sanitation. This study presents a survey of the prevalence of intestinal parasitic infections among the people in rural Thailand. The community-based cross-sectional study was conducted in villages in Khon Kaen Province, northeastern Thailand, from March to August 2013. A total of 253 stool samples from 102 males and 140 females, aged 2-80 years, were prepared using formalin-ethyl acetate concentration methods and examined using light microscopy. Ninety-four individuals (37.2%) were infected with 1 or more parasite species. Presence of parasitic infection was significantly correlated with gender (P=0.001); nearly half of males in this survey (49.0%) were infected. Older people had a higher prevalence than younger members of the population. The most common parasite found was Opisthorchis viverrini (26.9%), followed by Strongyloides stercoralis (9.5%), Taenia spp. (1.6%), echinostomes (0.4%), and hookworms (0.4%). The prevalence of intestinal protozoa was Blastocystis hominis 1.6%, Entamoeba histolytica 0.8%, Entamoeba coli 0.8%, Balantidium coli 0.4%, Iodamoeba butschlii 0.4%, and Sarcocystis hominis 0.4%. Co-infections of various helminths and protozoa were present in 15.9% of the people. The present results show that the prevalence of parasitic infections in this region is still high. Proactive education about dietary habits, personal hygiene, and sanitation should be provided to the people in this community to reduce the prevalence of intestinal parasite infections. Moreover, development of policies and programs to control parasites is needed.
Keyword
MeSH Terms
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Adolescent
Adult
Age Factors
Aged
Aged, 80 and over
Animals
Child
Child, Preschool
Coinfection/epidemiology/parasitology
Feces/parasitology
Female
Humans
Intestinal Diseases, Parasitic/*epidemiology/*parasitology
Male
Middle Aged
Parasites/*classification/*isolation & purification
Prevalence
Rural Population
Sex Factors
Thailand/epidemiology
Young Adult
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