Fig. 1: The global distribution of isolates for this study.

A total of 169 N. meningitidis isolates were sampled from China, the UK, Brazil, Colombia, Greece, India, Ireland, Italy, Japan, Malta, New Zealand, Spain, Sweden, and the USA.

A total of 169 N. meningitidis isolates were sampled from China, the UK, Brazil, Colombia, Greece, India, Ireland, Italy, Japan, Malta, New Zealand, Spain, Sweden, and the USA.