BPF (Brazilian purpuric fever) is caused by:

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.