Concepts of therapy for RNA viruses -- Therapeutic vaccination in chronic hepadnavirus infection -- Characterization of targets for antiviral therapy of Flaviviridae infections -- Inhibition of Hepatitis C virus by nucleic acid-based antiviral approaches -- Inhibitors of respiratory viruses -- Anti-viral approaches against influenza viruses -- A new approach to an Influenza virus live vaccine: Modification of eleavage site of the haemagglu reverse genetics -- New concepts in anti-HIV therapies -- Evaluation of current strategies to inhibit HIV entry, integration and maturation -- Managing antiretroviral resistance -- Concepts of therapy for DNA viruses -- Selective inhibitors of the replication of poxviruses -- Maribavir: A promising new antiherpes therapeutic agent -- Benzimidazole-D-ribonucleosides as antiviral agents that target HCMV terminase -- Recent developments in anti-herpesviral therapy based on protein kinase inhibitors -- Immune therapy against papillomavirus-related tumors in humans -- Concepts of therapy for emerging viruses -- The SARS Coronavirus receptor ACE 2 A potential target for antiviral therapy -- Therapy of Ebola and Marburg virus infections -- General concepts of therapy -- Proteasome inhibitors as complementary or alternative antiviral therapeutics -- Human monoclonal antibodies for prophylaxis and therapy of viral infections -- Vector-based antiviral therapy.