Fig. 2: Algorithm used for the selection of additional Neisseria meningitidis serogroup B (MenB) test strains.
From: Selection of diverse strains to assess broad coverage of the bivalent FHbp meningococcal B vaccine

The MenB serum bactericidal assay (SBA) isolate collection (n = 1263) is used as the example in this figure. FHbp (factor H binding protein), ST (sequence type).