Background and Aim: Schistosomiasis is one of the seven neglected tropical diseases that are of public health concern in the Philippines. The disease is prevalent in few of the barangays (communities) in Koronadal City, Philippines. Status of the Schistosoma japonicum infections in domestic animal reservoir host has yet to be explored in these endemic communities. The study aimed to determine the prevalence and infection intensity of the disease in cattle and water buffaloes of endemic communities of Koronadal City. Materials and Methods: Schistosomiasis was investigated in 70 cattle and 38 water buffaloes from three endemic communities in Koronadal City. The copro-parasitological technique used was the formalin-ethyl acetate sedimentation method. Results: S. japonicum infection was observed in 48.6% of cattle and 60.5% in water buffaloes. The bovine contamination index indicated that all infected animals released 3,505,500 eggs/day. On average, infected cattle released 1,674,500 eggs daily, while infected water buffaloes liberated 1,932,000 eggs in the environment daily. Conclusion: Cattle and water buffaloes in these endemic areas are infected with S. japonicum. These animals release large numbers of eggs in the environment daily; hence, played an important role in disease transmission. Those living and working in endemic areas should be aware of the inherent dangers of the disease.

Foodborne trematodiasis is a neglected tropical disease (NTD) caused by zoonotic trematodes that persist mainly in impoverished areas in the Asia-Pacific region. Globally, about 2 million disability life years (DALYs) are lost due to these parasitic infections. Four groups of foodborne trematodes are known to cause significant illness: fish-borne liver fluke infections caused by Opisthorchis and Clonorchis spp.; water vegetable-borne Fasciola spp. infections; crustacean-vectored paragonimiasis; and those caused by intestinal trematodes. In the Philippines, endemic foodborne trematodes of public health concern include Paragonimus westermani, some members of Heterophyidae and Echinostomatidae, and Fasciola hepatica/ F. gigantica. Opisthorchis viverrini and Clonorchis sinensis have also been reported in the country. Data on the epidemiology of these zoonotic illnesses remain scarce and in need of research attention in the Philippines. Culturally rooted eating behaviors in endemic areas are important risk factors to acquiring and perpetuating foodborne trematodiasis. The combination of mass drug administration (MDA), provision of clean water and maintenance of good sanitation and hygiene (WASH), community health education towards modification of risky behaviors, surveillance, and veterinary public health interventions have been shown to be effective in combatting these zoonotic parasitoses. An integrated control and prevention program anchored on the One Health paradigm is a must to address these illnesses. This paper aims to review the biology and epidemiology of, and public health interventions against zoonotic foodborne trematodiasis in the Philippines and its neighboring countries.

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