Figure 2From: 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 Epidemic curve of STEC O145 outbreak in child day-care centre Norway, 2009 with dates of onset for symptomatic cases (n = 9). Numbers in case boxes refer to case number as listed in Table 2. Back to article page