PLE-3518

A blood culture taken from a 32-year-old G2P1, who is in her 3rd trimester and experiencing flu-like illness, reveals colonies that are small, grayish blue with beta hemolysis on a blood agar plate. The organism is Gram positive, catalase positive, motile at room temperature, and produces acids from glucose, trehalose, and salicin. What is the organism involved?