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. 2011 May 9;140(3):519–527. doi: 10.1017/S095026881100077X

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Copyright © Cambridge University Press 2011 The online version of this article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution-NonCommercial-ShareAlike licence <http://creativecommons.org/licenses/by-nc-sa/2.5/>. The written permission of Cambridge University Press must be obtained for commercial re-use.

The online version of this article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution-NonCommercial-ShareAlike licence <http://creativecommons.org/licenses/by-nc-sa/2.5/>. The written permission of Cambridge University Press must be obtained for commercial re-use.

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Fig. 1 — Distribution of cases (n=135) by date of symptom onset during an outbreak of E. bieneusi, Sweden, October–November 2009. * Three of the microbiologically confirmed case-patients did not return the questionnaire and are therefore not shown in the figure. Two of these three case-patients became ill on 2 November; an onset date for the remaining case-patient was not available.