Clustering MRSA in Europe indicates diffusion through regional health-care networks

A new study finds that methicillin-resistant Staphylococcus aureus (MRSA) - responsible for several difficult-to-treat infections including blood poisoning and pneumonia and a particular problem in hospitals - occurs in distinct geographical clusters across Europe, indicating that MRSA is being diffused by patients moving between hospitals rather than spreading freely in the community. The study, published in this week's PLoS Medicine, used an interactive Web tool to map different strains of the Staphylococcus aureus (S. aureus) bacterium across the continent...

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