TABLE 1.
Distribution of serogroup 6 pneumococci over timea
| Yr | Total no. of Pn isolates | No. of isolates (%) of:
|
|||
|---|---|---|---|---|---|
| SG 6 | Serotype 6A | Serotype 6B | Serotype 6C | ||
| 1996 | 277 | 77 (27.8) | 33 (11.9) | 40 (14.4) | 4 (1.4) |
| 1997 | 353 | 84 (23.8) | 26 (7.4) | 46 (13.0) | 12 (3.4) |
| 1998 | 465 | 66 (14.2) | 5 (1.1) | 60 (12.9) | 1 (0.2) |
| 1999 | 596 | 137 (23.0) | 45 (7.6) | 68 (11.4) | 24 (4.0) |
| 2001 | 466 | 135 (29.0) | 57 (12.2) | 75 (16.1) | 3 (0.6) |
| 2002 | 559 | 97 (17.4) | 30 (5.4) | 61 (10.9) | 6 (1.1) |
| 2003 | 559 | 94 (16.8) | 41 (7.3) | 36 (6.4) | 17 (3.0) |
| 2006 | 392 | 64 (16.3) | 46 (11.7) | 2 (0.5) | 16 (4.1) |
| 2007 | 397 | 55 (13.8) | 31 (7.8) | 1 (0.3) | 23 (5.8) |
| Total | 4,064 | 809 (19.9) | 314 (7.3) | 389 (9.6) | 106 (2.6) |
a
Pn, pneumococcus; SG, serogroup.