Meningitis: There are 12 serotypes of Meningococcal meningitis; a, b, c, h, i, k, l, x, y, z, 29e &w135. Most prevalent is b & c, prior to vaccination.
Answered 6/28/2014
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In the USA: B and c were equally common prior to the use of the Meningococcal vaccine. Y third and a uncommon.
Answered 6/28/2014
5k views
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