oa South African Medical Journal - Negative cercarial antigen skin tests in proved urinary bilharziasis in children
I. The value of skin test in the diagnosis of bilharziasis is discussed. 2. Of 27 children between the ages of 9 and 16 years passing B. haematobium ova in the urine. only 3 (11%) gave a positive skin reaction. 3. The skin sensitization appears to be related to the duration of infection or possibly to the age of the patient. 4. A negative skin test, particularly in a child, does not exclude the diagnosis of bilharziasis.
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