Microbiology 9th Edition by Laura Black, Jacquelyn Black

Exercise 16

Before development of a vaccine against this microbe, the disease it caused accounted for two-thirds of bacterial meningi tis cases during the first year of life but is still the number one leading cause of mental retardation in patients who survive seri ous disease due to permanent central nervous system disorders. What is the microorganism?
(a) Haemophilus influenzae type B
(b) Haemophilus influenzae type A
(c) Neisseria meningitidis
(d) Streptococcus pneumoniae
(e) Listeria monocytogenes