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%&"'( "" % )'(* +!, [edit] :: larvae are injected intradermally with a mosquito bite and find their way to the arge lymphatic where they mature and mate. Swelling of lymph nodes containing adult is a common features. However, when an adult worms dies severe lympadenitis with chronic inflammatory to grnulomatous rection result, including eosinophlis which ultimately leads to fibrosis. In some multiply infected individuals, this may lead to gradually to chronic lymphatic obstruction, which in a small percentage of cases progress to the lymphadematous complication of elephantiasis, usually in an extremity. The newborn larvae circulate in the blood within the internal organs, such as spleen, and sometimes they migrate cyclically to the peripheral circulation, coincident with the biting habit of mosquito. Tropical eosinophilic fever with pulmonary infiltration is often attributed to this infection.