Surveillance and outbreak reports Open Access
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Campylobacter is the most commonly reported enteric bacterial pathogen in humans. We still do not have any systematic data concerning campylobacteriosis in Bulgaria. For that reason, we present data of the thermophilic Campylobacter jejuni and Campylobacter coli in the aetiology of diarrhoeal diseases in Sofia, for the period from 1987 to 2008. The study included patients from 0 to over 65 years-old. A total of 51,607 faecal specimens were screened for Campylobacter. C. jejuni and C. coli were detected in 3.58% (1,847) of the strains, with the highest percentage in 1988 (7.5%) and the lowest in 2006 (0.3%). Campylobacteriosis occurred most frequently in the wet months of March, April, May and June, with 105, 102, 124 and 141 cases, respectively, and was rare in January with 25 cases. The most affected groups were children between 0 and 4 years of age (52%) and between five and 14 years of age (30%). Campylobacter infection occurred in 22% of all bacterial gastrointestinal diseases in the city of Sofia during the study period. Salmonella was the most frequently identified pathogen with 32%, followed by Shigella (30%), Campylobacter (22%) and diarrhoeagenic Escherichia coli (16%). The study shows that Campylobacter plays an important role as a bacterial cause of enterocolitis in Sofia, Bulgaria.


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