15/05/2020
A 2 year old girl presented with a 12-hour history of fever and poor feeding. The family owned two cats. Her temperature was 39.5°C, and she was irritable, with no localising signs or skin lesions. A full septic screen was performed. Cerebrospinal fluid (CSF) showed a neutrophilic pleocytosis and gram-negative coccobacilli. She was treated with intravenous cefotaxime and gentamicin. Within 24 hours both CSF and blood cultures showed growth of gram-negative bacilli.
What is the likely infective organism?
A. Legionella pneumophilia
B. Haemophilus influenzae
C. Pasteurella multicoda
D. E coli
E. Pseudomonas aeruginosa