The seroprevalence of several infections in urticaria

Results Serology for hepatitis B was found to be positive in 8 patients (3.38%) in the acute spontaneous urticaria group, in 9 patients (5.35%) in the chronic spontaneous urticaria group and in 5 subjects (2.27%) in the control group. Antibodies to HCV were identified in 3 patients (1.27%) with acute spontaneous urticaria, in 4 patients with chronic spontaneous urticaria (2.38%) and in one subject (0.45%) in the control group. Antibodies to Helicobacter pylori were present in 139 acute spontaneous urticaria patients (58.89%), in 107 chronic spontaneous urticaria patients (63.69%) and in 124 (56.36%) controls.