Background and Aim Nosocomial infection is a health problem in all countries. Considering the role of midwives in controlling nosocomial infection, the aim of this study was to determine the effect of an educational intervention based on model on preventive behaviors of nosocomial infection by Babol hospitals midwives was done.
Methods & Materials The present study was a quasi-experimental study with intervention and control group. The interventions were performed in three 40-minute sessions in the Shahid Yahya Nejad Hospital in April and May 2017. The data collection tool was a structure Health Belief Model based(Awareness, structure Health Belief Model and behavior) on a questionnaire completed Its validity and reliability were assessed two months before and one month after Midwives who met the inclusion criteria education. Data were collected and analyzed by SPSS software v. 24 by Anova , T-test and ANCO one-way Covariance tests.
Ethical Considerations This research paper has been approved by the ethics committee IR.IAU.TMU.REC.1398.068 and informed consent will be taken from the participants in the study the information will remain confidential.
Results Before the intervention, the two groups did not differ significantly in terms of, mean scores of different model structures. After intervention, there was a significant difference in the mean and standard deviation of the effect of education on knowledge score (1.0±0.3), perceived sensitivity (2.8±1.5), perceived severity (3.6±1.7) Perceived barriers (-6.4±1.3), perceived benefits (5.1±4), self-efficacy (4.6 ± 2.6) and behavior( 3.1±1.1) was seen in the intervention group (P>0.05).
Conclusion By increasing the scores obtained from the structures Especially self-efficacy and reduction of perceived barriers, designing and implementing an educational program based on model in midwives can increase their performance regarding the prevention of nosocomial infections.

Introduction: The period of the epidemic of covid-19 is a critical situation where the operating room personnel are in the front line and are in more contact with the sick patient and his respiratory tract. The purpose of this study is to determine the preventive behaviors of operating room personnel of Isfahan teaching hospitals during the epidemic of Covid-19.
Methods: In this cross-sectional descriptive study, 100 operating room personnel of Isfahan teaching hospitals were investigated in 2019-1400. The required information was collected with the help of demographic information questionnaires and a standard questionnaire of specific questions related to preventive behaviors. Data collection was done from March 1999 to June 1400, then it was analyzed by SPSS statistical software. The Research Ethics Committee of Sari University of Medical Sciences has registered this study with the code IR.MAZUMS.REC.1400.115.
Results: The average rate of compliance with preventive behaviors among operating room personnel was 64.53%, which was above the average level. The highest compliance rate was preventive behaviors after the patient with corona virus left the operating room (84.50%). In this research, 100 health care personnel of operating rooms participated in the study. The gender of the majority of them (74%) was female and 63% of them were under 30 years of age. The participants stated that after the patient with corona virus leaves the operating room, they often or always dispose of the patient's consumables correctly (85%), complete disinfection. It was done with detergents (87%), using UV rays (86%), storing and transporting samples in special double-layered containers and fully complying with hygiene principles (83%).
Conclusions: The results showed that at the time of admission of the patient without Covid 19, contraceptive protocols were observed to a lesser extent than when the patient with Covid was admitted. Preventive behaviors and staff knowledge and awareness about the proper use of personal protective equipment can play an effective role in reducing their incidence.