Skip to main content

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 %
  1. a excludes cases related to two O26/O103 co-infection outbreaks
  2. b excludes cases with serogroups other than O157, O26, O111, O103, O121, or O145, co-infections of more than one serogroup and infections with unknown serogroup or stx type (1005 cases in 2010–2011 and 983 cases in 2012–2013)