TABLE 3.
Frequencies during different vaccination programs of the most common PFGE profiles among vaccinated children
| PFGE profile (serotype-prn type) | Frequency of profile (%) during yr of collection
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pw period | Vaccine-free period
|
Pa period
|
|||||||
| 1970-77a | 1986-87 | 1992-95 | 1997-98 | 1998-99 | 1999-00 | 2000-01 | 2001-02 | 2002-03 | |
| BpSR1 (2-2) | 15 | 36 | 10 | 7 | 4 | 4 | |||
| BpSR5 (3-2) | 8 | 7 | 4 | 10 | 2 | ||||
| BpSR6 (3-1/7) | 13 | ||||||||
| BpSR7 (2-2) | 1 | 4 | 5 | 2 | 1 | ||||
| BpSR9 (3-2) | 3 | 2 | 1 | 11 | |||||
| BpSR10 (3-2) | 2 | 1 | 4 | 13 | 7 | 13 | |||
| BpSR11 (3-2) | 12 | 33 | 31 | 55 | 46 | 40 | |||
| BpSR12 (3-2) | 3 | 6 | 2 | ||||||
| BpSR13 (3-2) | 2 | 1 | 13 | ||||||
| BpSR16 (2-2) | 10 | 7 | 14 | 5 | 6 | ||||
| BpSR18 (2/3-2) | 25 | 23 | 5 | 2 | |||||
| BpSR23 (2/3-2) | 8 | 2 | 1 | ||||||
| BpSR25 (3-1/7) | 39 | 4 | 2 | ||||||
| BpSR27 (2/3/2,3-2) | 12 | ||||||||
| BpSR31 (2/3-3) | 5 | 12 | 13 | 5 | 5 | ||||
| BpSR46 (2-2) | 12 | ||||||||
| BpSR63 (2-2) | 7 | 2 | 1 | ||||||
| BpSR100 (2,3-2) | 4 | 5 | 1 | ||||||
| BpSR106 (2-2) | 5 | 1 | |||||||
| BpSR109 (2-2) | 5 | ||||||||
| BpSR160 (2-3) | 7 | ||||||||
| Total (%) | 86 | 74 | 72 | 57 | 78 | 69 | 91 | 81 | 81 |
| Total no. of isolates | 71 | 26 | 42 | 42 | 90 | 147 | 56 | 82 | 45 |
| Total no. of profiles | 11 | 14 | 19 | 22 | 23 | 32 | 12 | 19 | 12 |
a
Individual vaccination status unknown.