"The traditional gold standard is microscopic visualization of the eggs of the schistosoma parasite," Fairley says. "You look under a microscope, and it's very time-intensive. It also can miss ...

Twenty-four percent had specific symptoms, 57% had eosinophilia, and in 17 patients (22%) Schistosoma ova were ... and stool and urine microscopy for ova were not sensitive. Screening by serology ...