TABLE 1.

Pneumococcal isolates with regard to study group and study phase

PhaseTotal no. of isolatesPV groupCV group
No. of isolates% Vaccine-type strainsNo. of isolates% Vaccine-type strains
All921451470
0 mo18096468458
7 mo17681419546
14 mo186842610240
20 mo16381258249
26 mo11964265554
First AOMa9745245244
  • a AOM, acute otitis media.