Fig. 2.

Classification sets for typing/clustering (PCV13, PSV23 classification set) with challenge strains: challenge strains are pink; cut-off for match or no match: 0.2; serotype colour-codes: see legend Fig. 1. Shown are the decisive sections of the respective classification sets: a challenge strain (AL612616): serotype 1, matches with the serotype 1 cluster of the PCV13 classification set; b challenge strain (AL218499): serotype 11A, no match within the PCV13 classification set; c challenge strain (AL218499): serotype 11A, matches with the serotype 11A cluster of the PSV23 classification set; d challenge strain (AL211459): serotype 21, no match within the PSV23 classification set; e challenge strain (BL202254): serotype 15B, matches with the serotype 14 cluster of the PCV13 classification set; f challenge strain (BL202254): serotype 15B, matches with the serotype 15B (sub-)cluster of the PSV23 classification set