Purified nontypable haemophilus influenzae P5 protein as a vaccine for nontypable haemophilus influenzae infection

摘要

The present invention relates to P5 outer membrane protein of the non- typable Haemophilus influenzae bacterial strain and antibodies directed to P5 protein. The invention also relates to a method of isolating P5 protein and a vaccine composition for use in the treatment of non-typable Haemophilus influenzae infection.