Microbiology All the following are true about H. influenza except: A It can be part of normal flora of some persons B The serotyping is based on bacterial outer membrane protein C It requires Hemin and NAD for growth in culture medium D Type b is responsible for invasive disease 💡 Explanation All the following are true about H. influenza except: ✓ Correct Answer: B. The serotyping is based on bacterial outer membrane protein