Biomarker discovery, Precision Medicine, Personalized Medicine, Head and Neck Cancer, Breast Cancer, Cervical Cancer, Nasopharyngeal Cancer, Viral infection, Human papillomavirus (HPV), Epstein-Barr virus (EBV), Liquid Biopsy, Circulating DNA, Digital PCR, Next Generation Sequencing (NGS), Gene editing, Gene silencing, Clinical Research, CRISPR-Cas9, Clinical trial, CRISPR library, Mutation, Mutagenesis, Lentiviral infection, DNA damage response, shRNA screening, Enzyme kinetics, Enzyme assays, Protein Purification, Chromatography, Stable cell line, qPCR, Live-Cell Analysis, Growth curve, Fungi, Metabolic pathways, Biochemistry, FACS, Cell culture, Tissue Culture, Molecular Biology, Bioinformatics