TABLE 3.

Serotyping results deduced by sequential multiplex PCR for 421 randomly chosen invasive pneumococcal isolates

Serotype result(s) from multiplex PCRaActual conventional serotyping result(s) (no. of positive isolates)% of total (n = 421)
11 (13)3.1
33 (24)5.7
44 (23)5.5
6A/6B, 35 isolates6A (19), 6B (16)8.3
7F/(7A)7F (20), 7A (2)5.2
7C/(7B)/(40)7C (8), 7B (1)2.1
88 (8)1.9
9V/(9A)9V (15)3.6
1414 (20)4.8
2020 (6)1.4
3131 (8)1.9
3434 (7)1.6
38/(25F)38 (8)1.9
10A10A (9)2.1
11A/(11D)11A (10)2.3
12F/(12A)/(44)/(46)12F (21)4.9
15A15A (9)2.1
15B/C15B/C (15)3.2
16F16F (9)2.1
17F17F (10)2.3
18C/(18B)/(18F)/(18A), 3 isolates18C (8), 18B (3), 18F (1), 18A (1)3.1
19A19A (34)8.1
19F19F (10)2.3
22F/(22A)22F (19), 22A (1)5.0
23F23F (16)3.8
33F/(33A)/(37)33F (10)2.4
35B35B (8)1.9
35F/(47F)35F (9)2.1
Nontypeable9N (4), 10F (1), 13 (2), 21 (2), 23A (1), 23B (3), 28A (1), 28F (1), 29 (1), 41A (1), NT (3)4.8
  • a Serotypes in parentheses occur in 0 to 0.2% of ABCs isolates (according to year 2003 data).