PMC6343129_01
(a) Growth of M. catarrhalis on a blood agar. (b) Gram staining of the organism.
CRIPE2019-4740504.001.jpg
PMC6343129_01_CRIPE2019-4740504.001.jpg
fig1
CSF culture on chocolate and blood agar grew white, opaque, and smooth 0.5 to 1 mm colonies (Figure 1), whereas in MacConkey's agar, non-lactose fermenting bacillus was obtained after standard incubation. Gram staining of the isolate revealed Gram-negative coccobacilli (Figure 1).