The Katayama syndrome; an outbreak in Dutch tourists to the Omo National Park, Ethiopia.

摘要: The Katayama syndrome, the early stage of schistosomal disease, occurs 3 to 6 weeks after infection. main symptoms are fever, urticaria, oedema and general malaise. Eosinophilia is a constant finding. syndrome developed in group Dutch tourists visit November 1975 Omo National Park, southwest Ethiopia. Eight out 10 infected persons became clinically ill. incubation period varied from 4 41 days with mean 26 days. Pyrexia occurred patients, usually associated headache muscle pains; only one patient fever lasted for more than two weeks. Fever followed by was present patient. Two patients were afebrile, suffered other visitors remained asymptomatic, but results serological tests showed that they also infected. liver function disturbed during febrile further deteriorated treatment niridazole. S. mansoni eggs detected small numbers months 19 Obviously harboured few adult worms. They probably had been cercariae; possibility cercariae strain not well adapted man considered.