Coinfection by the Human Immunodeficiency Virus (HIV) and hepatitis viruses is a frequent condition in drug addicts. In the present study we report on the case of a patient with a history of drug and alcohol abuse who was sequentially infected with HIV, HCV, HBV and HDV. He died of an overwhelming reactivation of HBV and HDV in spite of a recent interferon treatment. HBV and HDV resumed their active replication after over 20 years of complete latency, that is after long-lasting viral undetectability, when the patient deliberately discontinued his last HAART regimen. HBV and HDV reactivated in spite of a relatively preserved immune system and a recent immune stimulatory treatment with pegylated interferon.

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