Korean J Parasitol.  2003 Jun;41(2):113-115. 10.3347/kjp.2003.41.2.113.

The intestinal parasite infection status of inhabitants in the Roxas city, the Philippines

  • 1Department of Parasitology, Kosin Medical College, Busan 602-703, Korea.
  • 2Department of Parasitology, Kyungpook National University School of Medicine, Daegu 700-422, Korea.
  • 3Department of Parasitology and Institute of Tropical Medicine, Yonsei University College of Medicine, Seoul 120-752, Korea.
  • 4Department of Parasitology and IFBB, Yonsei University Wonju College of Medicine, Wonju 220-701, Korea.


We carried out a small-scale survey to investigate the status of intestinal protozoa and helminthes infection of inhabitants in Roxas city, Mindoro, the Philippines. Total 301 stool samples were subjected to the formalin-ether concentration method for the detection of helminth ova and protozoan cysts. The overall positive rate was 64.5%, and that of male and female were 56.6% and 72.5%, respectively. The highest infected helminth was Ascaris lumbricoudes (51.2%), followed by Trichuris trichiura (27.6%), hookworm (8.0%) and Enterobius vermicularis (0.3%). The protozoa infection status revealed that Entamoeba coli was the most frequent (15.0%). Iodoamoeba buetschlii and E. histolytica were found but few. The multiple infection more than two parasites was 29.6%, and double infection with A. lumbricoides and T. trichiura was most common. The intestinal helminth infections were highly prevalent in this area, according to this result, and we concluded that anthelminthic drugs should be given to inhabitants, especially to children of 1 to 15 years-old.


infection rate; protozoa; helminths; Philippines
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