Haemophilus influenzae in blood agar

Pfeiffer’s bacillus is Haemophilus influenzae. It is also known as influenza bacillus. It is a small gram negative bacillus first observed by Pfeiffer in 1892. It causes meningitis and acute respiratory infections.

1. Haemophilus influenzae
2. Diseases caused by Haemophilus influenzae
3. Microbiology – MCQ 73 – 20 year old male with genital ulcer
4. Diseases caused by Clostridium perfringens