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
Conjugate vaccine are available for the prevention of invasive disease caused by all of the following bacteria except: 
Select and explain. 
A. H. influenzae, B. Strep pneumoniae, C. Neisseria meningitidis (Group-C), D. Neisseria meningitidis (Group-B)
D: Neisseria meningitidis (Group-B)
Answer: D: Neisseria meningitidis (Group-B) 
Explanation: Ans. (d) Neisseria meningitidis (Group B) Note: Conjugate vaccines are available for: a. Hemophilus influenza B. b. Menigococcal serotypes A, C, Y and W-135. c. Streptococcalpneumoniae(pneumococcus).