Table 2.

Table showing total number of Shiga toxin-producing Escherichia coli (STEC) cases from 2015 to 2019.

	2015–16	2017	2018	2019	Total
Total number of cases	715*	563	607	514	2,399
No. of cases with serial isolation	80	60	54	67	261
No. of isolates from the same case	173	131	130	155	589
Cases with two isolates	71	51	42	51	215
Cases with three isolates	7	8	9	13	37
Cases with four isolates	1	0	1	1	3
Cases with five isolates	0	1	0	2	3
Cases with six isolates	1	0	1	0	2
Cases with nine isolates	0	0	1	0	1

^*Numbers for 2016 only.