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C Difficile Literature Review

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1.2. Literature review 1.2.1. Epidemiology of C.difficile Clostridium difficile is an anaerobic, Gram-positive bacillus spore-forming, toxin-secreting bacteria that has long been recognized to be the most common etiologic pathogen of antibiotic-associated diarrhea(Shin Jh).It is a frequent environmental organism which has been isolated from soil, food, water, animals, asymptomatic infants, and health care environment (.Amit s,. Studies shows that only 7-15% of healthy adults are colonized with toxigenic C.difficile((Alison L) The spores of C.difficile can survive in the environment (including health care environment) for a very long time serving as a source of transmission(Amit s 2,32).A study done in USA found that 82% of patients who had community acquired C.difficile had either a recent outpatient or inpatient health care exposure(Amit S …show more content…

difficile had received antimicrobials within 14 days prior the onset of diarrhoea and all had received antimicrobial in the past three months(9). Reports have shown that there are changes in the epidemiology of C.difficile with increase in incidence and severity of the disease in several countries (10). The change is often attributed to the emergence of a previously rare and more virulent strain BI/NAP1/027(11).This strain often has increased toxin production and a high prevalence of resistance to fluoroquinones, making it an important pathogen in the health care system

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