Figure 1.
Annual prevalence of isolates belonging to PCV7 serotypes (as a group), serotype 19A, serotype 3, serotype 6A and other grouped non-PCV7 serotypes.
Annual prevalence of isolates belonging to PCV7 serotypes (as a group), serotype 19A, serotype 3, serotype 6A and other grouped non-PCV7 serotypes.