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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Septic arthritis in a 2-year-old child is often caused by –
assistant
The correct answer is  Bacteria are the most common pathogens in acute skeletal infections.
The microbial spectrum is diverse in suppurative arthritis, but Staphylococcus aureus infection is most common.
Salmonella is the most common cause of osteomyelitis in children with sickle cell anemia.