oa South African Medical Journal - Clinical pathological findings n early bilharziasis
1. Eight cases apparently infected with Bilharzia haematobium developed a positive complement-fixation test in 3 weeks and 6 showd an eosinophilia in 4 to 7 weeks. 2. After treatment with Nilodin (in the 8th week) in 3 cases the eosinophilia disappeared after 7-19 weeks. In 2 of these the complement-fixation test became negative in 22-23 weeks and in the 3rd it was doubtful after 28 weeks. 3. Cercarial antigen skin-tests were consistently negative before and after treatment. 4. In 2 cases who failed to develop an eosinophilia the complement-fixation test reverted to negative 31 weeks after exposure without any treatment. 5. The complement-fixation test is the best test for the early diagnosis of bilharzia but a positive reaction does not necessarily imply an active infection.
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