Chronic active Epstein-Barr virus (EBV) infection (CAEBV) of the T-/NK-cell type, systemic form is a rare and potentially life-threatening illness caused by persistent EBV infection. The highest incidence is found in children and adolescents with increased frequency among Asians and Native Americans, while the disease is uncommon in Western countries. | Chronic active Epstein-Barr virus infection of T-cell type systemic form in an African migrant Case report and review of the literature on diagnostics standards and therapeutic options