Table 2

 Yield from cultures of lung puncture on 755 neonates who were stillborn or died in the first 72 hours of life3

BacteriaNumber
Escherichia coli 71
Aerobacter aerogenes 45
Streptococcus beta haemolytic29
Pseudomonas aeruginosa 27
Streptococcus viridans 21
Staphylococcus aureus 17
Proteus vulgaris 11
Streptococcus non haemolytic (Group D)8