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Serogroup distribution of N. meningitidis isolates by age group.
| Serogroup (No. of isolates) | |||||
|---|---|---|---|---|---|
| Age group (No. of isolates) | B | C | W | Y | NG |
| <1 (n=33) | 30 | 3 | − | − | − |
| 1-4 (n=61) | 54 | 7 | − | − | − |
| 5-14 (n=28) | 27 | 1 | − | − | − |
| 15-24 (n=63) | 58 | 2 | − | 2 | 1 |
| 25-44 (n=41) | 36 | 4 | 1 | − | − |
| 45-64 (n=35) | 30 | 4 | 1 | − | − |
| 65+ (n=25) | 24 | − | − | 1 | − |
| UN (n=8) | 7 | 1 | − | − | − |
UN, age unknown; NG, not groupable.
