Overview on Chronic Viral Cardiomyopathy/Chronic Myocarditis.-Unsolved Medical Issues and New Targets for Further Research in Viral Myocarditis and Dilated Cardiomyopathy.- Frontiers in Viral Diagnostics.- Is Virus Persistence a Determinant for Disease Progression?- Parvovirus B19 - The Causative Agent of Dilated Cardiomyopathy or an Harmless Passenger of the Human Myocard?- Parvovirus B19: A New Emerging Pathogenic Agent of Inflammatory Cardiomyopathy.- Role of Hepatitis C Virus in Cardiomyopathies.-Recent Insights into the Role of Host Innate and Acquired Immunity Responses.- The Significance of Autoimmunity in Myocarditis.- The Roles of Immunity and Autoimmunity in Chronic Heart Failure.- Clinical Implications of Anti-Cardiac Immunity in Dilated Cardiomyopathy.- Inflammation and Cardiac Remodeling During Viral Myocarditis.- Is There a Virus Specific Matrix Destruction in the Course of Disease in Dilated Cardiomyopathy?- New Non-Invasive Approaches for the Diagnosis of Cardiomyopathy: MRI.-New Therapeutics Targets in Chronic Viral Cardiomyopathy.-Anti-Viral Treatment in Patients with Virus-Induced Cardiomyopathy.- Immunosuppressive Treatment of Chronic Non-Viral Myocarditis.-Immunoabsorption in Dilated Cardiomyopathy