Table 1.

Distribution of Schistosoma eggs found among 5510 foreign students and workers screened upon entry into Czech Republic between 1983 and 1989 (adapted from Giboda [24]).

Species	In Faeces or Urine			In Biopsies		Number of Cured from All Treated
	Absence of Eggs	One Year after PZQ	Two Years after PZQ	One Year after PZQ	Two Years after PZQ
S. mansoni	3	0	1	1	1	3/6
S. haematobium	1	0	0	0	1	1/2
Both	0	1 1	0	1 2	3 1	0/5
Total	4	1	1	2	5	4/13

¹S. haematobium; ²S. mansoni; PZQ, praziquantel.