Kingella kingae is a Gram-negative bacterium which belongs to the Neisseriaceae family. It is a facultative anaerobic, betahaemolytic, small bacillus that appears as pairs or short chains. It frequently colonises the oropharynx of infants and children from 6 to 48 months. It is often responsible for musculoskeletal infections in children and it has been reported as one of the most common causes of septic arthritis and osteomyelitis in children below 4 years of age. 1