Per CDC:
Key points
Bacteria called Haemophilus influenzae can cause many types of infections.
Some of these infections are mild, while others are serious.
In spite of its name, H. influenzae doesn't cause the flu.
Vaccines can prevent infections from one type of H. influenzae, type b or Hib.
H. influenzae disease is a name for any infection caused by H. influenzae bacteria.
Types
H. influenzae can cause many different types of infections. These infections range from mild, like ear infections, to serious, like bloodstream infections.
Serious infections
The most common serious infections caused by H. influenzae are:
Pneumonia (a lung infection)
Bloodstream infection
Meningitis (swelling of the lining of the brain and spinal cord)
Epiglotittis (swelling of the throat)
Cellulitis (skin infection)
Infectious arthritis (swelling of the joint)
Mild infections
H. influenzae are a common cause of ear infections in children and bronchitis (chest cold) in adults.
To learn more visit: About Haemophilus influenzae Disease | H. influenzae | CDC
