Efficient recovery of fluoroquinolone-susceptible and fluoroquinolone- resistant Escherichia coli strains from frozen samples

Ebbing Lautenbach, Evelyn Santana, Abby Lee, Pam Tolomeo, Nicole Black, Andrew Babson, Eli N. Perencevich, Anthony D. Harris, Catherine A. Smith, Joel Maslow

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We assessed the rate of recovery of fluoroquinolone-resistant and fluoroquinolone-susceptible Escherichia coli isolates from culture of frozen perirectal swab samples compared with the results for culture of the same specimen before freezing. Recovery rates for these 2 classes of E. coli were 91% and 83%, respectively. The majority of distinct strains recovered from the initial sample were also recovered from the frozen sample. The strains that were not recovered were typically present only in low numbers in the initial sample. These findings emphasize the utility of frozen surveillance samples.

Original languageEnglish (US)
Pages (from-to)367-369
Number of pages3
JournalInfection Control and Hospital Epidemiology
Volume29
Issue number4
DOIs
StatePublished - Apr 2008

ASJC Scopus subject areas

  • Epidemiology
  • Microbiology (medical)
  • Infectious Diseases

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