Changing pattern of human listeriosis, England and Wales, 2001-2004

被引:97
作者
Gillespie, Iain A.
McLauchlin, Jim
Grant, Kathie A.
Little, Christine L.
Mithani, Vina
Penman, Celia
Lane, Christopher
Regan, Martyn
机构
[1] Hlth Protect Agcy Ctr Infect, London NW9 5EQ, England
[2] Hlth Protect Agcy N W, Liverpool, Merseyside, England
关键词
D O I
10.3201/eid1209.051657
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Microbiologic and epidemiologic data on 1,933 cases of human listeriosis reported in England and Wales from 1990 to 2004 were reviewed. A substantial increase in incidence occurred from 2001 to 2004. Ten clusters (60 cases), likely to represent common-source outbreaks, were detected. However, these clusters did not account for the upsurge in incidence, which occurred sporadically, predominantly in patients >= 60 years of age with bacteremia and which was independent of sex; regional, seasonal, ethnic, or socioeconomic differences; underlying conditions; or Listeria monocytogenes subtype. The reasons for the increase are not known, but since multiple L. monocytogenes strains were responsible, this upsurge is unlikely to be due to a common-source outbreak. In the absence of risk factors for listeriosis in this emerging at-risk sector of the population, dietary advice on avoiding high-risk foods should be provided routinely to the elderly and immunocompromised, not just to pregnant women.
引用
收藏
页码:1361 / 1366
页数:6
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