TABLE 2.
Summary of information for outbreaks included in study.
| Outbreak number (assigned in study) | PulseNet outbreak code* | Total number of outbreak isolates | Confirmed source | Serotype | MLST_ST | Range of collection dates | Total number of sporadic isolates | Sporadic isolate dataset defined by |
| 01 | 1801MLJIX-1 | 15 | Sprouts | Cubana | ST286 | 2/5/2018 to 4/25/2018 | 2 | ST, serotype |
| 02 | 1802MLJBP-1 | 48 | Eggs | Braenderup | ST22 | 2/28/2017 to 5/07/2018 | 10 | ST, serotype |
| 03 | 1806NYJPX-1 | 31 | Kosher chicken | I 4, [5], 12:i:- | ST19 | 9/26/2017 to 8/16/2018 | 10 | ST, serotype |
| 04 | 1807ORJDX-1 | 18 | Ground beef | Dublin | ST10 | 7/17/2018 to 07/24/2018 | 1 | ST, serotype |
| 05 | 1808MLJPX-1 | 8 | Whey protein | Typhimurium | ST19 | 6/27/2018 to 7/31/2018 | 11 | ST, serotype |
| 06 | 1809TNJEG-1 | 54 | Eggs | Enteritidis | ST11 | 3/03/2018 to 9/6/2018 | 3 | ST, serotype |
| 07 | 1810MLJFX-1 | 7 | English cucumbers | Infantis | ST32 | 8/27/2018 to 9/17/2018 | 3 | ST, serotype |
| 08 | 1810MLJRF-1 | 7 | Cake mix | Agbeni | ST2606 | 6/13/2018 to 10/8/2018 | 4 | ST, serotype |
| 09 | 1811MLCO2-1 | 12 | Tahini | Concord | ST599 | 6/19/2018 to 1/6/2019 | 3 | serotype |
*PulseNet outbreak codes are designated by the 2-digit year in which the outbreak was detected, 2-digit month in which the outbreak was detected, lab ID/state in which the outbreak was detected (“ML” = multi-state), 3-digit serotype code (Gerner-Smidt et al., 2006), followed by–#. If multiple outbreaks meet the same criteria, then # is changed from 1 to 2, 2 to 3, etc. For example, 1712MLJPX-2 represents the 2nd multi-state Typhimurium outbreak detected in December 2017. 1712MLJPX-3 represents the 3rd multi-state Typhimurium outbreak detected in December 2017, and so on.