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Kingella kingae endocarditis and a cluster investigation among daycare attendees

Arlene C Seña1, Patrick Seed, Brad Nicholson

  • 1Durham County Health Department, Durham, NC, USA. idrod@med.unc.edu

The Pediatric Infectious Disease Journal
|November 4, 2009
PubMed

Insights

Kingella kingae infections, including endocarditis and osteomyelitis, can affect infants in daycare settings. Public health investigations are crucial for managing outbreaks and understanding transmission dynamics.

Area of Science:

  • Pediatric Infectious Diseases
  • Microbiology
  • Public Health Surveillance

Background:

  • Kingella kingae is a recognized cause of invasive pediatric infections.
  • Daycare facilities are known settings for outbreaks of K. kingae-associated osteomyelitis and septic arthritis.

Observation:

  • This study details the first public health investigation initiated by a case of Kingella kingae endocarditis in an infant attending daycare.
  • A simultaneous case of osteomyelitis linked to the same daycare was also identified.

Findings:

  • Screening of daycare contacts identified a low prevalence of Kingella kingae colonization prior to antibiotic prophylaxis.
  • The investigation highlights the potential for K. kingae to cause severe invasive infections like endocarditis in young children.

Implications:

  • This case underscores the importance of considering K. kingae in the differential diagnosis of invasive infections in infants, particularly those attending daycare.
  • Public health responses are essential for investigating and controlling K. kingae outbreaks in childcare settings.
  • Further research into colonization rates and transmission is needed to inform prevention strategies.

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