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Schistosomiasis is a complex of several acute and/or chronic infections cause by the flatworm Schistosoma spp. (S. haematobium, S. guineensis, S. intercalatum, S. mansoni, S. japonicum, and S. mekongi) . It has a low mortality rate but causes significant chronic illness and may lead to growth delay and cognitive impairment in children.
Worldwide 200 million (or 1 in 30 individuals) are estimated to have schistosoma infection . Schistosomes are widespread in tropical and subtropical areas (see map).
Over the period 2005 - 2010, the rates of positive Schistosoma serology in new refugee arrivals to Australia varied from 5-40% [4-7], with positive serology more common in people from African source countries.
Note: Katayama fever - treatment is mainly supportive and may include glucocorticoids (+/- praziquantel or antimalarials). The patient should be retreated with praziquantel 2-3 months later to eliminate any remaining worms. Seek specialist advice.
Immigrant health clinic resources. Author: Vanessa Clifford and Georgie Paxton. Last updated June 2018. Contact email@example.com