PMC7136619_01
A. Microscopic examination of a Gram-stained smear revealed small Gram-negative coccobacilli. B. Colonies of the isolate on chocolate. C. Sheep blood agars. Round-shaped and translucent colonies were observed.
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MacConkey and Columbia CNA agars. Microscopic examination of a Gram-stained smear revealed small Gram-negative coccobacilli (Fig. 1a). After 24hours of incubation at 35 C in 5% CO2, the isolate grew poorly on sheep blood and chocolate agars, but better on chocolate agar (Fig. 1b, c).