Bacteriology of the freshwater environment: Implications for clinical therapy

Paul S. Auerbach, David M. Yajko, Patricia S. Nassos, Kenneth W Kizer, John A. Morris, W. Keith Hadley

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Water and animal tissue samples were obtained from sources in Tennessee, California, and Florida. Purified bacterial colonies were isolated and organisms identified. Fifty-eight isolates were recovered. Twenty-seven Gram-negative isolates were identified. Gram-positive organisms were of the coryneform group or Bacillus species. Antibiotic susceptibility testing showed that Aeromonas species were relatively resistant to a wide variety of anti-microbials, which included trimethoprim, cefazolin, and ampicillin. Antibiotics effective against more than 90% of Gram-negative isolates included ciprofloxacin, imipenem, ceftazidime, and trimethoprim-sulfamethoxazole. Freshwater Gram-positive organisms did not display any unexpected susceptibility features. Recommendations for treatment are based on sensitivity in culture and the potentially serious nature of infections caused by Aeromonas species.

Original languageEnglish (US)
Pages (from-to)1016-1022
Number of pages7
JournalAnnals of Emergency Medicine
Issue number9
StatePublished - 1987


  • bacteriology
  • freshwater

ASJC Scopus subject areas

  • Emergency Medicine


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