S22-281 Multiplex Epstein-Barr Virus Genotyping Nucleic Acid Amplification Test for Detection of High-risk Variants in Human Plasma Researchers at Stanford have developed a nucleic acid amplification test to detect high-risk Epstein-Barr Virus (EBV) BALF2 variants in plasma to aid population-level screening for nasopharyngeal carcinoma (NPC). Benjamin Pinsky Jacob Miller