Microbiology The Haemophilus influenzae vaccine contains which of the following A Lipopolysaccharide (LPS) B Live attenuated H. influenzae C Polypeptide antigens containing D-glutamate D Polyribitol phosphate antigens π‘ Explanation The Haemophilus influenzae vaccine contains which of the following β Correct Answer: D. Polyribitol phosphate antigens