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Flowchart baseline characteristics. Abbreviations: CSF, cerebrospinal fluid; E. coli, Escherichia coli; H. influenzae, Haemophilus influenzae; L. monocytogenes, Listeria monocytogenes; N. meningitidis, Neisseria meningitidis; S. agalactiae, Streptococcus agalactiae; S. pneumoniae, Streptococcus pneumoniae. aOnly age of onset of the first episode is described here.
