Concentrations of dangerous and harmful substances (PCB, TPH and heavy metals) were determined in soils in an industrial zone near the center of Banja Luka and the Vrbas River. PCB, TPH and heavy metals were found in the analysis location as a result of general anthropogenic factors. Contaminated soils have a negative impact on human health and the environment. The mean concentrations of Pb,
Clean, fresh air is the most important requirement for good indoor air quality (IAQ) in all buildings, but it is especially important with regard to the environments within hospitals and other healthcare facilities. The literature indicates that buildings with heating, ventilating and air conditioning (HVAC) systems may have an increased risk of sick building syndrome (SBS) and building-related illness (BRI) if they are not well maintained. Microorganisms are brought into hospitals by people, air currents, water, construction materials and equipment. The main objective of this study was to assess the degree of fungal and bacterial contamination in the University Clinical Centre in Banja Luka, which is directly connected to the HVAC system. Airborne bacteria and fungi in the indoor hospital environment were assessed experimentally. Air samples were collected during the winter season. This paper presents the results related to the concentration of microorganisms expressed in colony forming units per cubic metre of air sampled (in CFU/m 3 ) together with the microclimatic parameters temperature and relative humidity. The results of monitoring indicate the effectiveness of HVAC systems in reducing microbiological contamination.
Salmonella enterica is one of the most common causes of food-borne infection in human beings. Cases of Salmonella infection have been decreasing in Europe in the last ten years, yet, Salmonella infections are still the main cause of acute diarrhea syndrome. Globalization has caused the international food industry to increase the production of collective nutrition produce and products. This has intensified the need for authorized and accredited laboratories to monitor microbiological food safety. All parameters indicate the necessity of a multi-sector approach to this problem. Food safety supervision involves the analysis and identification of risk management, as well as the monitoring, evaluating, and regulating of crop irrigation. We can be more certain with a multi-sector approach that the number of Salmonella infections caused by plant-originated food stuffs will not increase in the future.
Exposure to blood-borne infections (HIV, hepatitis B, hepatitis C) poses a serious risk to health care workers (HCWs). The aim of this cross-sectional study was to determine the level of knowledge and attitudes on occupational exposure in primary health care. In 2009, a total of 100 health care workers from the Primary Health Care Centre in Inđija, Autonomous Province of Vojvodina, Serbia were included in the study. The results suggested that the health care workers who participated in the survey possess basic knowledge about blood-borne virus transmission routes. Most incorrect answers were related to the transmission of blood-borne viruses by tears, saliva, urine and stool. This study also demonstrated that health workers tend to unrealistically estimate the risk of HIV infections. As for the level of education about the prevention and control of blood-borne infections, 49 % of the participants had never had any education on this topic, while 22 % had been educated during the last fi ve years. Around 75 % consider education on blood-borne infection and protective measures at work unnecessary.
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