主题词：HIV/AIDS drug development and treatment; HIV Research and Treatment; Hepatitis C virus research; HIV-related health complications and treatments; HIV/AIDS Research and Interventions; Hepatitis B Virus Studies; Liver Disease Diagnosis and Treatment; Hepatitis Viruses Studies and Epidemiology; Cytomegalovirus and herpesvirus research; Pneumocystis jirovecii pneumonia detection and treatment; Respiratory viral infections research; Biological Research and Disease Studies; Influenza Virus Research Studies; Herpesvirus Infections and Treatments; Virus-based gene therapy research; Viral-associated cancers and disorders; interferon and immune responses; SARS-CoV-2 and COVID-19 Research; Systemic Lupus Erythematosus Research; Biochemical and Molecular Research; Drug-Induced Hepatotoxicity and Protection; Animal Virus Infections Studies; Diabetes, Cardiovascular Risks, and Lipoproteins; HIV, Drug Use, Sexual Risk; Viral Infections and Immunology Research