Clinical characteristics of patients with acute schistosomiasis acquired in Laos compared with those of case-patients from Tanzania * Infections Infections among acquired in case-patients in Clinical characteristic Laos, n = 7 Tanzania, n = 19 Fever 6 (86) 13 (68) Headache 6 (86) ([dagger]) 2 (10) Urticaria 5 (71) 7 (37) Cough 5 (71) 15 (78) Fatigue 4 (57) 11 (58) Angioedema 3 (42) 2 (10) Abdominal pain 3 (42) 5 (26) Diarrhea 2 (28) 7 (37) Myalgia 2 (28) 7 (37) Cercarial dermatitis 1 (14) 3 (16) Time from exposure to seeking 27 ([+ or -]4) 38 ([+ or -]22) medical care, d ([+ or -]SD) Eosinophil count, cells/mm 3,595 3,535 ([+ or -]SD) ([+ or -]3,218) ([+ or -]2,394) * Patients with cases suspected to be caused by Schistosoma mekongi infection compared with patients infected with S.