This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
BPF (Brazilian purpuric fever) is caused by: 
Select and explain. 
A. H.influenzae biotype aegyptius, B. V. cholerae, C. Salmonella, D. None of the above
A: H.influenzae biotype aegyptius
Answer: A: H.influenzae biotype aegyptius 
Explanation: H. aegyptius:
→ Identical to non-capsulated H.influenza, now named as H.influenza biotype aegyptius.
→ Causes highly contagious form of conjunctivitis (PINK EYE) and Brazilian purpuric fever. 
→ BPF (Brazilian purpuric fever): Conjunctivitis proceeding to fulminant septicemia in infants and children with high fatality.