Hemophilus influenzae
- epidemiology
- classification and characteristics
- virulence factors
- transmission and infection
- clinical manifestations
- diagnosis
- treatment
Epidemiology
H. influenzae type b (Hib) has historically been responsible for the majority of diease; however, with the introduction of the Hib vaccine, very little is seen today
Classification and Characteristics
- small gram negative baccili
- requires X (heme) and V (NAD) factors for growth; will grow on chocolate agar
Virulence Factors
- may be encapsulated, though the majority of mucosal disease is due to non-encapsulated bacteria
Transmission and Infection
Clinical Manifesations
most common cause of AECB
Diagnosis
Treatment
Cefuroxime is effective against Hemophilus