Rate of Campylobacter spp. isolation in three regions of Ontario, Canada, from 1978 to 1985

Thompson, J S; Cahoon, F E; Hodge, D S

doi:10.1128/jcm.24.5.876-878.1986

Cited by 32 publications

(11 citation statements)

References 9 publications

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“…3). These figures are 5-15 times the sort of rates reported in industrialized countries (Sibbald & Sharp, 1985;Thompson, Cahoon & Hodge, 1986;Skirrow, 1987) but are not as high as those found in developing countries, e.g. 40% per year (Calva et al 1988).…”

Section: Discussionmentioning

confidence: 73%

Campylobacter jejuniandCampylobacter colidiarrhoea in rural and urban populations in Yugoslavia

Popovic-Uroic¹

1989

Epidemiol. Infect.

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During a 4-month period during the summer of 1985, campylobacters were isolated from 338 (16.3%) of 2080 patients with acute diarrhoea attending the University Hospital of Infectious Diseases in Zagreb. Of these isolates 220 (64.1%) were Campylobacter jejuni and 118 (34.9%) were C. coli. The patients were drawn from three residential zones in and around Zagreb: inner city, peripheral city and rural. Incidences of campylobacter diarrhoea ranged from 71 per 100,000 per year in inner city residents to 99 per 100,000 per year in the rural residents. Most infections were in young children; the incidence in infants ranged from 800 to 2500 per 100,000 per year in the inner city and rural zones respectively. The isolation rate from faecal specimens of infants from the rural zone was 61%. The ratio of isolation rates in males and females (all ages) was 1.1:1, but in infants it was 0.7:1 and in patients over the age of 65 years it was 0.4:1. The incidence of C. coli in the rural zone was four times that in the inner city and twice that in the peripheral zone. This survey shows that campylobacter infection in Zagreb has distinctive epidemiological features. The transmission of infection appears to be midway between that found in industrialized and developing countries, and there is an unexplained excess of C. coli infection.

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Section: Discussionmentioning

confidence: 73%

Campylobacter jejuniandCampylobacter colidiarrhoea in rural and urban populations in Yugoslavia

Popovic-Uroic¹

1989

Epidemiol. Infect.

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“…Previous studies have provided good support for a hypothesis of increased risk of Campylobacter infection in nonurban settings. Increased incidences of Campylobacter have been noted in rural areas (23,24); in several case-control studies, contact with farm animals (5,7,9) or pets (9-12) was among the risk factors found, and Campylobacter infection has also been associated with small-scale chicken husbandry in rural areas (25,26). In Sweden, an ecologic study on the geography of Campylobacter cases was recently conducted (27).…”

Section: Discussionmentioning

confidence: 99%

Spatial Distribution and Registry-based Case-Control Analysis of Campylobacter Infections in Denmark, 1991–2001

Ethelberg

Simonsen

Gerner‐Smidt

et al. 2005

American Journal of Epidemiology

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Using data from an 11-year period (1991-2001), the authors analyzed available information on location of residence for all registered, laboratory-confirmed, domestically acquired cases of campylobacteriosis in Denmark. Patient data were merged with data from a national register on housing and addresses, and a population density index was constructed using the Danish population register. The study was performed as a register-based case-control study; 15 age-matched controls for each case were selected from the national population register. A total of 22,066 cases were compared with 318,958 controls in logistic regression analysis. Living in types of housing found in rural areas and living in areas with a low population density were both associated with an increased risk of infection. This relation concerned children in particular and explained one third of cases among children in the countryside. Furthermore, in some counties there was an association between infection and type of drinking-water company serving the home. This study indicated that contact with animals or the environment is the source of a substantial proportion of sporadic Campylobacter infections in the Danish countryside, particularly among children.

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“…A summer peak in Campylobacter is consistently reported from temperate countries [1, 20–22] often doubling the weekly incidence at the same time each year [22] with later peaks in colder countries [21, 22]. Exceptions include Estonia and Germany with less distinct or repeatable summer peaks [21, 22].…”

Section: Introductionmentioning

confidence: 99%

Molecular epidemiology of humanCampylobacter jejunishows association between seasonal and international patterns of disease

McCarthy

Gillespie

Lawson³

et al. 2012

Epidemiol. Infect.

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SUMMARYWe sought to explain seasonality and other aspects ofCampylobacter jejuniepidemiology by integrating population genetic and epidemiological analysis in a large 3-year longitudinal, two-centre, population-based study. Epidemiological information was collected for 1505 isolates, which were multilocus sequence-typed. Analyses compared pathogen population structure between areas, over time, and between clinical presentations. Pooled analysis was performed with published international datasets. Subtype association with virulence was not observed. UK sites had nearly identicalC. jejunipopulations. A clade formed by ST45 and ST283 clonal complexes showed a summer peak. This clade was common in a Finnish dataset but not in New Zealand and Australian collections, countries with less marked seasonality. The UK, New Zealand and Australian collections were otherwise similar. These findings map to knownin-vitrodifferences of this clade. This identifies a target for studies to elucidate the drivers of the summer peak in humanC. jejuniinfection.

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Rate of Campylobacter spp. isolation in three regions of Ontario, Canada, from 1978 to 1985

Cited by 32 publications

References 9 publications

Campylobacter jejuniandCampylobacter colidiarrhoea in rural and urban populations in Yugoslavia

Campylobacter jejuniandCampylobacter colidiarrhoea in rural and urban populations in Yugoslavia

Spatial Distribution and Registry-based Case-Control Analysis of Campylobacter Infections in Denmark, 1991–2001

Molecular epidemiology of humanCampylobacter jejunishows association between seasonal and international patterns of disease

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