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Table 3 Case attack rates within age groups

From: Investigation of an Escherichia coli O145 outbreak in a child day-care centre - extensive sampling and characterization of eae- and stx 1-positive E. coli yields epidemiological and socioeconomic insight

  Age (years) Total all age groups
  1 2 3 4 5  
No. of children within age group 10 14 13 16 8 61
No. of cases within age group 4 5 5 2 0 16
Attack rate within age group 0.40 0.36 0.38 0.13 0 0.26
  1. STEC O145 outbreak in child day-care centre Norway, 2009 (n = 16).