1 Department of Medical Library and Information Sciences, School of Health Management and Medical Information, Isfahan University of Medical Sciences

2 Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan

3 Department of Medical Library and Information Sciences, School of Health Management and Medical Information, Isfahan University of Medical Sciences, Department of Health Information Management, School of Allied Medical Sciences, Tehran University of Medical Science, Tehran, Iran


Introduction: During the library loan process, the printed resources can be a carrier of
pathogenic bacteria. In this study, it was tried to compare the Bacterial Contamination Rates
and their antibiotic sensitivity pattern in printed resources of a hospital and a non‑hospital
library. Methods: This is a cross‑sectional study. Returning books from the Al‑Zahra hospital
library and library of Sciences faculty of Isfahan University provides the research community.
The sample size, 96 cases, was calculated using quota sampling. For sampling sterile swab
dipped in trypticase soy broth medium and transfer trypticase soy broth medium were
used. To identify different type of isolated bacteria from Gram‑staining test and biochemical
tests such as; TSI, IMViC and etc., were used. Results: 76 (79.2%) and 20 (20.8%) of
cultured samples were negative and positive, the respectively. Of 20 positive samples,
11 samples (55%) belong to the family Enterobacteriaceae that after detecting by Differential
teste identified all 11 samples of Enterobacter that all of them were sensitive to Gentamicin
and Ofloxacin. Also the most resistance to Nitrofurantoin and Amikacin was observed. 9 cases
remained (45%) were coagulase‑negative Staphylococcus that all of them were sensitive to the
Trimethoprim‑sulfamethoxazole and Cephalexin antibiotics also the most resistance to Cefixime
was observed. Conclusion: Considering that the Enterobacter sp and coagulase‑negative
Staphylococcus were separated from the books, the books as well as other hospital and
medical equipment can transmit the infection to librarians, library users, patients and hospital
staff, and also it can produce serious infections in patients with immune deficiency.


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