Table 2 Childcare facility outbreak-related cases, total number of EHEC cases, and proportion of cases that were childcare facility outbreak-related cases, by serogroup, 2010–2013, Japan. All outbreaks listed below in the table refer to childcare facility-related outbreaks
From: Enterohemorrhagic Escherichia coli outbreaks related to childcare facilities in Japan, 2010–2013
Serogroup | 2010–2011 | 2012–2013 | ||||
|---|---|---|---|---|---|---|
Outbreak cases (n) | Total cases (n) | Outbreak/Total (%) | Outbreak cases (n) | Total cases (n) | Outbreak/Total (%) | |
O157 | 69 | 4938 | 1 % | 100 | 4075 | 2 % |
O26 | 131 | 1353 | 10 % | 417 | 1707 | 24 % |
O111 | 0 | 195 | 0 % | 173 | 364 | 48 % |
O103, O121 or O145 a | 18 | 583 | 3 % | 64 | 684 | 9 % |
Total b | 218 | 7069 | 3 % | 754 | 6830 | 11 % |