A group of serotypes with similar but distinguishable serological reactions.
each major serogroup has its own distinctive polysaccharide
Example sentencesExamples
Active disease is usually due to a new serogroup acquired from a carrier.
A commercially available vaccine confers protection against serogroups A, C, Y, and W - 135.
The new vaccine does not protect against meningococcal disease caused by serogroup B bacteria.
"The ability to distinguish between different isolates of the same serogroup is important because it allows us to track the origin of an infection," says Hammond.
These four serogroups account for nearly two-thirds of the cases of Meningococcal Meningitis in the college-age population.
Sero group A is much more common in sub-Saharan Africa.