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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 coli 14-26%
Listeria monocytogenes 0-3.5%
Streptococcus pneumoniae 0-9%
Other pathogens 10-25%
Children
Neisseria meningitidis 38-56%
Streptococcus pneumoniae 34-46%
Haemophilus influenzae b 2-12%
Other pathogens 6-13%
Adults
Streptococcus pneumoniae 37-59%
Neisseria meningitidis 24-43%
Listeria monocytogenes 0.8-10%
Haemophilus influenzae b 0.02-3.7%
Other pathogens 10-17%