Methicillin-resistant Staphylococcus aureus in Dutch soccer team

Xander W Huijsdens1, Ans M C van Lier, Eric van Kregten

  • 1National Institute for Public Health and the Environment, Bilthoven, the Netherlands. Xander.Huijsdens@rivm.nl

Insights

A soccer team experienced an outbreak of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA). The outbreak was linked to the ST80-IV strain, marking the first reported instance in a sports team setting.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Epidemiology

Background:

  • Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is a significant public health concern.
  • The ST80-IV strain of MRSA is a known European variant.
  • Outbreaks of CA-MRSA have been documented in various community settings.

Purpose of the Study:

  • To report the first outbreak of CA-MRSA among members of a sports team.
  • To identify the specific strain of MRSA responsible for the outbreak.
  • To characterize the transmission dynamics within a sports team environment.

Main Methods:

  • Case identification of infected individuals within the soccer team and their close contacts.
  • Microbiological analysis of isolates to determine the strain of Staphylococcus aureus.
  • Molecular typing (e.g., spa typing, SCCmec typing) to identify the specific MRSA strain (ST80-IV).

Main Results:

  • An outbreak of CA-MRSA was confirmed among soccer team members and their close contacts.
  • The causative agent was identified as the European ST80-IV strain.
  • This represents the first documented outbreak of this specific MRSA strain within a sports team.

Conclusions:

  • Sports teams can be a venue for CA-MRSA transmission.
  • The ST80-IV strain has the potential to spread within close-contact populations like sports teams.
  • Enhanced surveillance and infection control measures may be necessary in athletic settings.

Related Concept Videos

Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...