Hib: H influenzae type b Diseases The most virulent strain Accounts for more than 95% of H influenzae invasive diseases in children and half of invasive diseases in PART 2 Pathogencity aduLts And Less-common Immunity Common diseases diseases · Bacteremia Endophthalmitis Meningitis Urinary tract intection Cellulitis Abscesses Epiglottitis · Cervical adenitis Septic arthritis Osteomyelitis Pneumonia · Endocarditis Medical Empyema MicrobiologyThe most virulent strain Accounts for more than 95% of H. influenzae invasive diseases in children and half of invasive diseases in adults. Common diseases • Bacteremia • Meningitis • Cellulitis • Epiglottitis • Septic arthritis • Pneumonia • Empyema Less-common diseases • Endophthalmitis • Urinary tract infection • Abscesses • Cervical adenitis • Osteomyelitis • Endocarditis Hib: H. influenzae type b Diseases PART 2 Pathogenicity And Immunity Medical Microbiology