Microbiology Conjugate vaccines are available for the prevention of invasive disease caused by all of the following except – rpt A H influenzae B Strep pneumoniae C N. Meningitidis (group C) D N. Meningitidis (group B) 💡 Explanation Conjugate vaccines are available for the prevention of invasive disease caused by all of the following except - rpt ✓ Correct Answer: D. N. Meningitidis (group B)