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Old 05-17-2010
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Microbiology 18 Days Old with Gram Positive Cocci
An 18-day-old infant is brought to the emergency department by her parents with a fever of 39C (104F). The infant is lethargic. Blood cultures are obtained and a subsequent culture isolates a gram-positive cocci. Which of the following is the most likely isolate?

A) Haemophilus influenza
B) Neisseria meningitidis
C) Staphylococcus aureus
D) Staphylococcus epidermidis
E) Streptococcus agalactiae
F) Streptococcus pneumoniae
G) Streptococcus pyogenes
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Old 05-17-2010
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E streptococcus agalactiae
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Old 05-17-2010
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the ans is most likely E. the child could be having neonatal meningitis . probably got strep. agalactiae from the mother's vagina during delivery.
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