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- Beck-Friis, Johan, et al.
(author)
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Salmonella : en smitta att ta på allvar
- 2004
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In: Svensk veterinärtidning. - : Sveriges veterinärförbund. - 0346-2250. ; 56:10, s. 33-34
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Journal article (peer-reviewed)
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4. |
- Broman, T., et al.
(author)
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Campylobacter jejuni in black-headed gulls (Larus ridibundus) : prevalence, genotypes, and influence on C. jejuni epidemiology
- 2002
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In: Journal of Clinical Microbiology. - 0095-1137 .- 1098-660X. ; 40:12, s. 4594-4602
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Journal article (peer-reviewed)abstract
- Campylobacteriosis is a zoonotic disease in which birds have been suggested to play an important role as a reservoir. We investigated the prevalence of Campylobacter jejuni subsp. jejuni in black-headed gulls (Larus ridibundus) in southern Sweden with the aim of examining the nature of C. jejuni infection in this bird species. Birds were sampled in four sampling series each year during 1999 (n = 419) and 2000 (n = 365). Longitudinally sampled C. jejuni isolates from individual gulls were subjected to macrorestriction profiling (MRP) by pulsed-field gel electrophoresis to investigate the genotypical stability during the natural course of infection. Furthermore, a subset (n = 76) of black-headed gull isolates was compared to isolates from broiler chickens (n = 38) and humans (n = 56) originating from the same geographic area. We found a pronounced seasonal variation in C. jejuni carriage, with the highest rates found in late autumn. MRP similarities were higher between isolates of human and broiler chicken origin, than between those of wild bird origin and either of the other two hosts. However, identical MRPs were found in two gull isolates and one human isolate after digestion with two restriction enzymes, strongly indicating that they may have been colonized by the same clone of C. jejuni. The MRPs most prevalent in gull isolates did not occur among isolates from humans and broiler chickens, suggesting the existence of a subpopulation of C. jejuni adapted to species-specific colonization or environmental survival.
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7. |
- Danielsson-Tham, Marie-Louise, 1947-, et al.
(author)
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Causes behind a human cheese-borne outbreak of gastrointestinal listeriosis
- 2004
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In: Foodborne pathogens and disease. - New York, USA : Mary Ann Liebert. - 1535-3141 .- 1556-7125. ; 1:3, s. 153-159
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Journal article (peer-reviewed)abstract
- In a previous paper, we reported an outbreak of gastrointestinal listeriosis due to consumption of fresh cheese made from raw milk and manufactured on a summer farm. The aim of the present study was to investigate why the cheese harbored Listeria monocytogenes. To our knowledge, this is the first documented outbreak of listeriosis caused by raw milk cheese where the human epidemic strain has been cultured from a dairy animal, whose milk has been used for cheese production. The conditions on a summer farm can hardly fulfil the requirements for hygienic and strictly controlled conditions necessary for safe processing of fresh cheese.
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- Danielsson Tham, Marie-Louise, 1947-
(author)
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Det blev vår även i år!
- 2002
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Other publication (pop. science, debate, etc.)
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