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Table 6 Overview of bacterial pathogens as a function of age

From: S1 guidelines “lumbar puncture and cerebrospinal fluid analysis” (abridged and translated version)

Newborn
Streptococcus agalactiae (B-Streptococcus)50-60%
Escherichia coli14-26%
Listeria monocytogenes0-3.5%
Streptococcus pneumoniae0-9%
Other pathogens10-25%
Children
Neisseria meningitidis38-56%
Streptococcus pneumoniae34-46%
Haemophilus influenzae b2-12%
Other pathogens6-13%
Adults
Streptococcus pneumoniae37-59%
Neisseria meningitidis24-43%
Listeria monocytogenes0.8-10%
Haemophilus influenzae b0.02-3.7%
Other pathogens10-17%