Penicillin arrived as a miracle for staph wounds and then slipped as the species learned beta-lactamase.
Methicillin bought time; MRSA spent it. Community clones later left the ward.
Timeline
Grape-like clusters in abscesses get a lasting name.
Friedrich Rosenbach distinguishes S. aureus by colony color.
Staph wound infections become treatable, then quickly learn the enzyme.
A new beta-lactam is answered within a few years.
Reports spread beyond Europe; wards become a resistance classroom.
Last-line glycopeptides become a common hospital habit for MRSA.
Healthy people without hospital ties begin to appear in outbreak reports.
A community clone becomes a widely discussed skin-infection actor in the US.
The timeline is a resistance story, not a how-to.
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