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Microbial contamination of disinfectant solutions in some health care institutions of three towns in Northern Nigeria

Faculty of Pharmaceutical Sciences, University of Jos
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  • Microbial Contamination Levels
  • In-Use Disinfectants


Commonly used disinfectants in some health institutions in three major towns of northern Nigeria were examined for presence of bacteria contamination. For each disinfectant, stock, freshly diluted and left-over of used diluted samples were analyzed. All the stock samples were free of bacteria contaminants while 52.17% of hospital freshly diluted and the left over samples had bacteria contents ranging from 3.1x101 - 1.6x104cfu ml-1. Most commonly isolated bacterial contaminants were E. coli, Ps. aeruginosa, and Staph. aureus. Other organisms also isolated were Proteus spp. and B. subtilis. Antimicrobial susceptibility studies showed that 90% of the isolates were relatively resistant to chlorhexidine gluconate. Keywords: Microbial contamination levels; in-use disinfectants Journal of Pharmacy and Bioresources Vol. 3 (2) 2006: pp. 77-82

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