Trends in invasive methicillin-resistant Staphylococcus aureus infections

Area of Science:

• Pediatric Infectious Diseases
• Epidemiology
• Public Health

Background:

• Invasive methicillin-resistant Staphylococcus aureus (MRSA) infections pose a significant threat to pediatric populations.
• Understanding trends in pediatric MRSA incidence is crucial for developing effective public health interventions.

Observation:

• This study analyzed population-based surveillance data of invasive MRSA infections in children from 2005 to 2010.
• Cases were categorized by culture setting and health care exposure: hospital-onset, health care-associated community-onset, and community-associated (CA-MRSA).

Findings:

• The incidence of invasive CA-MRSA infections in children significantly increased by 10.2% annually from 2005 to 2010.
• No significant trends were observed in hospital-onset or health care-associated community-onset MRSA infections.
• In 2010, invasive MRSA incidence was highest in infants younger than 90 days and in black children.

Implications:

• Pediatric MRSA infections disproportionately impact vulnerable groups, including young infants and black children.
• Unlike adult populations, pediatric health care-associated MRSA infections did not show significant reductions.
• The rising incidence of CA-MRSA underscores the urgent need for enhanced prevention strategies in both health care and community settings for children.