Isolation and MRSA

• Setting: outbreak in ICU

• 16 of 331 admissions became MRSA positive

• None of 144 HCWs after contact with colonized patients became positive patients = source

• Rate of transmission:

  • contact isolation 0.009 per day
  • no isolation 0.14 per day (RR 15.6)

Jernigan et al, Am J Epidemiol 1996;143:496-504

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