Meningitis Caused by Atypical Gram-negative Cocci

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Abstract
Two patients with meningitis were studied. From one an atypical gram-negative coccus was recovered from the spinal fluid which when plated on agar gave rise to 2 forms of colonies representing culture phases of the bacterium. From the 2d patient 2 spp. of bacteria were cultivated from the spinal fluid. One was a meningococcus Type I which was atypical since it grew at room temp. and certain cocci comprising the culture retained the Gram stain. Two variant colony forms grew. The other bacterium was a Staphylococcus, probably a secondary invader which grew in 3 variant colony forms.