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- Volume 17, Issue 47, 22/Nov/2012
Eurosurveillance - Volume 17, Issue 47, 22 November 2012
Volume 17, Issue 47, 2012
- Rapid communications
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Increase in malaria cases imported from Pakistan to Germany in 2012
K Stark and I SchönebergA significant increase of malaria cases imported to Germany from Pakistan was observed in 2012. As of 14 November, Pakistan was the country of infection in 32 out of 434 malaria cases in 2012, compared to zero to eight annual malaria cases (out of over 500 cases) in previous years. Physicians and public health authorities should consider malaria in febrile patients returning or migrating from Pakistan.
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- Surveillance and outbreak reports
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Malaria in Greece, 1975 to 2010
A Vakali , E Patsoula , G Spanakos , K Danis , E Vassalou , N Tegos , A Economopoulou , A Baka , A Pavli , C Koutis , C Hadjichristodoulou and T KremastinouMalaria, which was endemic in Greece in the past, was officially eliminated in 1974. Since that time and up to 2010, a number of imported cases (ranging from 19 to 76) have been annually reported. The total number of reported laboratory-confirmed cases between 1975 and 2010 was 1,419. Plasmodium falciparum was identified in 628 (44%) of these cases, while P. vivax was found in 524 (37%). Of the total cases, 1,123 (79%) were male (ratio males vs. females: 3.78). Age was only available for 490 cases, of which 352 (72%) belonged to the 18–40 year-age group. Of the 382 malaria cases reported from 1999 to 2010 for which the region/country of acquisition was known, 210 (55%) were from Africa and 142 (37%) from Asia. The massive introduction of economic migrants, in the period from 1990 to 1991 and from 2006 onwards, mainly from countries where malaria is endemic, resulted in the appearance of introduced sporadic cases. In Peloponnese, Central and East Macedonia, Thrace and East Attica, mosquitoes of the genus Anopheles (e.g. Anopheles sacharovi, A. superpictus and A. maculipenis) that can act as plasmodia vectors are abundant and during the summer of 2011, 27 P. vivax cases were reported in Greek citizens residing in the agricultural area of Evrotas in Lakonia and without travel history. As further P. vivax malaria cases occurred in the Lakonia and East Attica areas in 2012, it is becoming urgent to strengthen surveillance and perform integrated mosquito control that will help eliminate the potential risk of malaria reintroduction and reestablishment.
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Ensuring safety of home-produced eggs to control salmonellosis in Poland: lessons from an outbreak in September 2011
Implementation of control measures in line with European Commission regulations has led to a decrease in salmonellosis in the European Union since 2004. However, control programmes do not address laying hens whose eggs are produced for personal consumption or local sale. This article reports an investigation of a salmonellosis outbreak linked to home-produced eggs following a family event held in a farm in September 2011 near Warsaw, Poland. In the outbreak, 34 people developed gastroenteritis symptoms. Results from a cohort study indicated a cake, prepared from raw home-produced eggs, as the vehicle of the outbreak. Laboratory analysis identified Salmonella enterica serotype Enteritidis (S. Enteritidis) in stool samples or rectal swabs from 18 of 24 people and in two egg samples. As no food items remained, we used phage typing to link the source of the outbreak with the isolated strains. Seven S. Enteritidis strains analysed (five from attendees and two from eggs) were phage type 21c. Our findings resulted in culling of the infected laying hens and symptomatic pigeons housed next to the hens. Salmonella poses as a public health problem in Poland: control measures should not forget home-produced eggs, as there is a risk of infection from their consumption.
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Two outbreaks of diarrhoea in nurseries in Norway after farm visits, April to May 2009
J Møller-Stray , H M Eriksen , T Bruheim , G Kapperud , B A Lindstedt , Å Skeie , M Sunde , A M Urdahl , B Øygard and L VoldDuring a 2009 nationwide outbreak of sorbitol-fermenting Escherichia coli O157 in Norway, the Norwegian Institute of Public Health was notified of diarrhoea outbreaks in two nurseries. A link to the nationwide outbreak was suspected and investigated, including retrospective cohort studies. Both nurseries had recently visited farms. Faecal specimens were obtained from symptomatic children as well as from the farm animals and tested for Campylobacter, Salmonella, Yersinia, Shigella and pathogenic E. coli, and isolates were further characterised. Nursery A had 12 symptomatic children, and we found the same strain of C. jejuni in faeces from children and lambs. Nursery B had nine symptomatic children, including one child with bloody diarrhoea carrying enterohaemorrhagic E. coli (EHEC) O26. EHEC O26 with a similar multiple-locus variable number tandem repeat analysis (MLVA)-profile was found in sheep. Five children had enteropathogenic E. coli (EPEC) O76. Animals were not tested for EPEC O76. We found no significant association between illness and risk factors for either nursery. The isolated pathogens differed from the one involved in the nationwide outbreak. In each nursery outbreak, the pathogens isolated from children matched those found in farm animals, implicating animal faeces as the source. Hygiene messages are important to prevent similar outbreaks.
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Volume 29 (2024)
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Volume 27 (2022)
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