Enzyme Immuno Assay (ELISA) for the determination of IgG antibodies to Coxsackievirus type B (CoxB) in human plasma and sera. For “in vitro” diagnostic use only. Coxsackievirus belongs to a group of viruses called enteroviruses in particular they are Picornaviruses.They are present in two main groups, A and B. Most Coxsackievirus infections are not serious. They typically cause only mild signs and symptoms, such as fever, rash, sore throat, joint pain and headache. Symptoms usually last about a week.