Small Gram-negative bacillus, encapsulated or not (non=non-typeable)
Normal respiratory flora.
Invasive disease has sharply declined since Hib conjugate vaccine widely used.
Most invasive disease is now caused by non-typable strains.
Colonizer of the upper respiratory tract
May cause invasive disease including:
Droplet precautions if presentation is epiglottitis.
Invasive disease is notifiable - call Public Health ASAP.