There have recently appeared three communications dealing with the subject of meningococcus and pneumococcus infection of the meninges in persons in which the primary infecting micro-organism was the meningococcus. The first two, by Netter and Salanier,1 placed on record a series of cases observed in children. Mathers2 has also described a case which he observed in an infant. The relative frequency of this condition is not as yet precisely determined, though it is believed to occur in about 5 per cent. of cases.3 That it may occur more commonly than is at present supposed is possible, judging from recent work. In a series of twelve cases of meningitis (cerebrospinal fever) the pneumococcus as well as the meningococcus was found in three cases.
From such a limited number of cases it is impossible to draw any conclusions; but it is hoped that as a result of this publication
FITZGERALD JG. MIXED INFECTION (MENINGOCOCCUS AND PNEUMOCOCCUS) MENINGITIS. JAMA. 1918;71(12):969–970. doi:https://doi.org/10.1001/jama.1918.26020380005003
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