作者
Joseph J Amon, Rose Devasia, Guoliang Xia, Omana V Nainan, Stephanie Hall, Brian Lawson, Julie S Wolthuis, Pia DM MacDonald, Colin W Shepard, Ian T Williams, Gregory L Armstrong, Julie A Gabel, Paul Erwin, Lorinda Sheeler, Wendi Kuhnert, Priti Patel, Gilberto Vaughan, Andre Weltman, Allen S Craig, Beth P Bell, Anthony Fiore
发表日期
2005/10/15
期刊
The Journal of infectious diseases
卷号
192
期号
8
页码范围
1323-1330
出版商
The University of Chicago Press
简介
BackgroundMolecular epidemiologic investigations can link geographically separate foodborne hepatitis A outbreaks but have not been used while field investigations are in progress. In 2003, outbreaks of foodborne hepatitis A were reported in multiple states
MethodsCase-control studies were conducted in 3 states. Hepatitis A virus was sequenced from serologic specimens from individuals associated with outbreaks and from individuals concurrently ill with hepatitis A in nonoutbreak settings in the United States and Mexico
ResultsCase-control studies in Tennessee (TN), North Carolina (NC), and Georgia (GA) found green onions to be associated with illness among restaurant patrons (TN: odds ratio [OR], 65.5 [95% confidence interval {CI}, 8.9–482.5; NC: OR, 2.4 [95% CI, 0.3–21.9]; GA: OR, 20.9 [95% CI, 3.9–110.3]). Viral sequences from TN case patients differed by 2 nt …
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JJ Amon, R Devasia, G Xia, OV Nainan, S Hall… - The Journal of infectious diseases, 2005