PHI PHONG – THE VAMPIRE LEGEND OF NORTHWEST VIETNAM

PHI PHONG – THE VAMPIRE LEGEND OF NORTHWEST VIETNAM A Biological Interpretation Based on Pica Syndrome and Pseudomonas aeruginosa I. INTRODUCTION: FROM FOLKLORE TO BIOLOGICAL PATHOLOGY Across many cultures in the world, unusual human behaviors have historically been interpreted through supernatural frameworks such as spirits, demons, or mythical creatures. However, the development of modern medicine has repeatedly demonstrated that many of these phenomena were actually manifestations of specific biological diseases. As scientific knowledge expanded, several long-standing myths were reinterpreted through physiological and pathological mechanisms. A well-known example is the European werewolf legend . For centuries, individuals who exhibited violent, biting behavior and extreme agitation were believed to transform into beasts during the night. Later medical understanding revealed that many