Hib: H influenzae type b Pathogenic substances capsule PART 2 Pathogencity Anti phagocytic effect And Main virulence factor Immunity Polyriboseribitol phosphate, PRP lgA protease Hydrolyze IgA Medical MicrobiologyCapsule • Anti phagocytic effect • Main virulence factor • Polyriboseribitol phosphate, PRP IgA protease • Hydrolyze IgA Hib: H. influenzae type b Pathogenic substances PART 2 Pathogenicity And Immunity Medical Microbiology