Wuchereria bancrofti, Brugia malayi and Brugia timori are the causative agents of lymphatic filariasis in Indonesia but in some endemic areas, B malayi is more commonly found. Diagnosis of filariasis is normally based on clinical, parasitological and immunological examinations but those methods have limitations. The discovery of monoclonal antibodies is expected to provide a new dimension to the efforts in the development of specific and sensitive immunological tests for the various stages of filariasis infection. This preliminary report, using monoclonal antibodies and dot-blot assay in human lymphatic filariasis showed that 75% of sera from microfilaremic patients with clinical signs, 40% of sera from amicrofilaraemic patients with clinical signs, 88.8% of sera from microfilaremic patients without clinical signs and 19.6% of sera from amicrofilaremic patients without clinical signs have circulating antigens.
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