IMPORTANT NEMATODE INFECTIONS IN INDONESIA

Sri Oemijati

IMPORTANT NEMATODE INFECTIONS IN INDONESIA

Abstract


At least 13 species of intestinal nematodes and 4 species of blood and tissue nematodes have been reported infecting man in Indonesia. Five species of intestinal nematodes are very common and highly prevalent, especially in the rural areas and slums of the big cities. Those species are Ascaris lumbricoides, Necator americanus, Ancylostoma duodenale, Trichuris trichiura and Oxyuris vermicularis, while Strongyloides stercoralis is disappearing. The prevalence of the soil transmitted helminths differs from place to place, depending on many factors such as the type of soil, human behaviour etc. Three species of lymph dwelling filarial worms are known to be endemic, the urban Wuchereria bancrofti is low endemic in Jakarta and a few other cities along the north coast of Java, with Culex incriminated as vector, high endemicity is found in Irian Jaya, where Anopheline mosquitoes act as vectors. Brugia malayi is widely distributed and is still highly endemic in many areas. The zoonotic type is mainly endemic in swampy areas, and has many species of Mansonia mosquitoes as vectors. B.timori so far has been found only in the south eastern part of the archipelago and has Anopheles barbirostris as vector.

Human infections with animal parasites have been diagnosed properly only when adult stages were found either in autopsies or removed tissues. Cases of infections with A. caninum, A.braziliense, A.ceylanicum, Trichostrongylus colubriformis, T.axei and Oesophagostomum apiostomum have been desribed from autopsies, while infections with Gnathostoma spiningerum have been reported from removed tissues. Infections with the larval stages such as VLM, eosinophylic meningitis, occult filanasis and other could only be suspected, since the diagnosis was extremely difficult and based on the finding and identification of the parasite. Many cases of creeping eruption which might be caused by the larval stages of A.caninum and A.braziliense and Strongyloides stercoralis were diagnosed only clinically. Also diagnosed clinically were occult filanasis which was caused by animal filarial worms, and eosinophylic meningitis caused by Angiostrongylus cantonensis.

While Toxocara canis and T.cati are prevalent in dogs and cats, Anisakis in marine fish, no cases of Visceral larva migrains and anisakiasis have been reported in man in Indonesia.


Keywords


Nematode Infections

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Buletin Penelitian Kesehatan (Bulletin of Health Research, p-ISSN: 0125-9695. e-ISSN: 2338-3453) is published by Badan Penelitian dan Pengembangan Kesehatan, Ministry of Health of Republic of Indonesia
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