Objective To investigate the clinical characteristic of Paratyphoid fever A infection,and enhance the diagnosis and treatment effects.Methods The result of drug sensitive test and the clinical features of 48 inpatients with Paratyphoid fever A infection were analyzed retrospectively and compared with past typhoid fever infection cases.Results Digestive canal symptoms and liver damage were more common in patients with paratyphoid fever A than patients with typhoid fever,salmonella paratyphoid A were more sen...