True about meningitis | PGI May 2017 Preparations MCQ

True about meningitis is /are 

A. Epidemic is caused by H influenzae 
B. E. coli, Group B Streptocci is the MC caused in neonatal period 
C. Haemophilus-B vaccine is effective in prevention of meningitis. 
D. Epidemics caused by Meningococcus group B
E. None of the above.

Ans. B. Gr ‘B’ streptococci, E. coli are MC cause in neonatal period; (C) Hib vaccine is effective in prevention of meningitis.

The most common organisms causing meningitis are: 

- Neisseria meningitidis 

- Streptococcus pneumoniae

- Haemophillus influenzae. 

* The epidemic of meningitis is caused by meningococcus. 

- Gr. A in —> Sub Saharan Africa 

- Gr. B in — Europe, Latin America, Newzealand 

-Gr. C&w 135 type. 

• Group B streptococci, str. Agalactiae was previously responsible for meningitis predominantly in neonates but it has been reported with increasing frequency in individuals >50 yrs, particulary those underlying diseases. 

• The frequency of H influenzae type b meningitis is declinect in children dramatically since the introduction of Hib conjugate vaccine. 

• Epidemics of H. influenzae disease have not been observed, although clusters of cases are seen 

in households, day care centers, and facilities for care of chronically ill children.