Schistosoma haematobium Article 1 Cytokines 1 Hematuria 1 Mass drug administration 1 Polymorphisms 1 Praziquantel 1 Protective immunity 1 Susceptibility 1 Urogenital schistosomiasis 1 Zimbabwe 1 adenine 1 agar gel electrophoresis 1 allele 1 amplification refractory mutation system polymerase chain reaction 1 child 1 controlled study 1 cross-sectional study 1 cytosine 1 female 1 gene frequency 1 genotype 1 guanine 1 human 1 infection sensitivity 1 interleukin 10 1 major clinical study 1 male 1 parasite prevalence 1 pathogenesis 1