Case Study: Neonatal Meningitis (continued)
The top image of the surface of blood agar after 24 hours incubation at 35° C in 10% CO2, on which are growing tiny, translucent, gray colonies surrounded by a narrow zone of "soft" beta hemolysis. There was no growth on the MacConkey plate.
Shown in the lower image is a close-in view of the colony growth after 48 hours incubation. What are the possible presumptive identifications suggested by the colonies observed? (Select all that apply.)
More than one answer is correct. Please select all correct answers