主题词：Cancer Immunotherapy and Biomarkers; SARS-CoV-2 and COVID-19 Research; CAR-T cell therapy research; COVID-19 Clinical Research Studies; Immunotherapy and Immune Responses; Immune Cell Function and Interaction; Gut microbiota and health; vaccines and immunoinformatics approaches; Cancer Genomics and Diagnostics; Lung Cancer Treatments and Mutations; Monoclonal and Polyclonal Antibodies Research; Liver Disease Diagnosis and Treatment; Lung Cancer Research Studies; Single-cell and spatial transcriptomics; Long-Term Effects of COVID-19; Genomics and Rare Diseases; Virus-based gene therapy research; SARS-CoV-2 detection and testing; T-cell and B-cell Immunology; Diabetes Treatment and Management; HER2/EGFR in Cancer Research; Colorectal Cancer Treatments and Studies; Inflammatory Bowel Disease; COVID-19 epidemiological studies; HIV Research and Treatment