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Causal Factors in Microbiological Laboratory Accidents and Infections

机译：微生物实验室事故和感染的原因

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This research was conducted to uncover causal factors of accidential infections and injuries in microbiological laboratories. Less than 20 per cent of the infections were caused by recognized and recorded accidents. As many as 80 per cent of the infections were caused by unsafe acts that occurred without realization or recognition. These are described as 'micro-mistakes' resulting in the release of undetected amounts of pathogens to the workers' environment. More than three-quarters of the injuries were caused by unsafe acts. Unsafe conditions caused 10 per cent of the accidents. Dried cultures, infected eggs, and aerosolized cultures were the most hazardous forms of infectious microorganisms. Younger workers and those with less technical training experienced more accidents than older workers or those with more training. Interviews with accident-involved and accident-free persons provided insight into the role of human factors. Accidentinvolved persons tended to lack accident perception ability and to be inflexible in their work habits. They also were inclined toward excessive risk taking, working at excessive speeds, and intentional violation of regulations. Accidentfree workers were more conservative in evaluating safety and seemed able to develop defensive work habits. (Author)

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