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
A) Haemophilus influenza
B) Neisseria meningitidis
C) Staphylococcus aureus
D) Staphylococcus epidermidis
E) Streptococcus agalactiae
F) Streptococcus pneumoniae
G) Streptococcus pyogenes