Table 4.
Serogrouping results from the five participating laboratories in the International Circumpolar Surveillance program for the three unusual N. meningitidis isolates expressing both serogroup Y and W135 antigenic specificities
QC isolate | Serogroup(s) determined (method[s]) by laboratorya: |
||||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | |
2006-07 | W135 (PCR) | W135 (bacterial agglutination) | W135 (bacterial agglutination) | Did not analyze | W135 (bacterial agglutination), Y (PCR) |
2008-09 | Y (PCR) | W135 (bacterial agglutination) | Y (bacterial agglutination) | W135 (bacterial agglutination) | W135 (bacterial agglutination), Y (PCR) |
2008-10 | Y (PCR) | NG (bacterial agglutination) | NG (bacterial agglutination), Y (PCR) | W135 (bacterial agglutination and PCR) | W135 (bacterial agglutination), Y (PCR) |
NG, nongroupable.