CDC FoodCORE Year Six Cumulative Metrics - Salmonella, Shiga Toxin-producing Escherichia coli, and Listeria (SSL)

Data Report Period: January 1, 2016 to December 31, 2016

Table showing the Mean (Range) for Salmonella, STEC, Listeria, Shigella, and Campylibacter
Performance Metrics: (See associated document for complete language and definitions) Salmonella Mean (Range) STEC Mean (Range) Listeria Mean (Range) Shigella Mean (Range) Campylobacter Mean (Range)
1a. Total number of isolates and isolate-yielding specimens 1018.2 (378–1794)
n=10
246.8 (99–461)
n=10
19.9 (4–38)
n=10
250.1 (51–575)
n=7
251.6 (0–1083)
n=7
1b. Number of primary isolates/isolate-yielding specimens 891.1 (338–1711)
n=9
194.3 (85–350)
n=9
15.4 (4–36)
n=9
237.3 (50–559)
n=7
271.2 (0–1057)
n=6
2a. Total number of preliminary positive clinical specimens 740.9 (191–1539)
n=7
395.3 (141–1155)
n=9
n/a 256 (27–816)
n=5
522 (9–1836)
n=5
2b. Number; Percent isolate-yielding preliminary positive clinical specimens 531.7 (108–974)
90.1% (67%–98%)
n=7
166.6 (41–264)
52.9% (29%–74%)
n=9
n/a 82.8 (11–201)
66% (41%–84%)
n=5
163.5 (4–376)
n=4
3. Median days from isolation/isolate-yielding specimen collection to receipt at PHL 4.6 (3–7)
n=10
3.6 (2–7)
n=10
5.1 (2–9)
n=9
3.8 (3–5)
n=6
3.8 (3–5)
n=5
4. Median days from receipt of isolate-yielding specimens at PHL to recovery of isolate 1.7 (0–4)
n=7
3.1 (1–6)
n=8
1.3 (0–3)
n=7
1.7 (0–3)
n=6 to
2 (0–3)
n=5
5. Percent of primary isolates with serotype information 97.5% (89%–100%)
n=10
88.9% (64%–100%)
n=10
n/a 98.8% (94%–100%) n=6
6. Median days from isolate receipt (recovery) to serotype result 3.3 (1–6)
n=10
3.6 (2–7)
n=10
n/a 2.4 (1–4)
n=5
7a. Percent of primary isolates with PFGE information 96.4% (83%–100%)
n=10
85.8% (25%–100%)
n=10
98.3% (85%–100%)
n=9
65.7% (5%–100%)
n=6
45.8% (0%–100%)
n=4
7b. Percent of primary isolates with WGS information 40.2% (16%–63%)
n=5
64.2% (38%–88%)
n=5
97.7% (86%–100%) 40% (3%–95%)
n=4
8a. Median days from isolate receipt (recovery) to PFGE upload to PulseNet 4.5 (3–7)
n=10
4.4 (2–8)
n=10
3.7 (2–7)
n=9
4.5 (2–6)
n=4
8b. Median days from isolate receipt (recovery) to WGS sequence being shared 23.4 (10-35)
n=5
18.4 (11–26)
n=5
11.8 (6–23)
n=6
8c. Median days from isolate receipt (or recovery) at PFGE lab to upload to PulseNet 2.4 (0–4)
n=8
2.8 (1–5)
n=8
1.9 (0–4)
n=7
2.5 (2–3)
n=4
8d. Median days from isolate receipt (or recovery) at WGS lab to upload to sequence being shared 12 (4–28
n=5
12.4 (5–26)
n=5
6.5 (4–10)
n=6
9a. Number of reported laboratory confirmed cases 885.9 (328–1693)
n=10
176.7 (39–325)
n=10
15.9 (4–35)
n=10
303.4 (49–738)
n=8
715.4 (30$–1445)
n=8
9b. Number of reported probable cases 24.4 (0–99)
n=9
12.7 (0–66)
n=10
n/a 60.4 (0–362)
n=7
358.8 (95–1062)
n=8
9c. Number of reported suspect cases 48.7 (0–146)
n=10
88 (17–145)
n=10
n/a 62.4 (0–226)
n=8
n/a
10a.1 Percent of confirmed cases with attempted interview 97.6% (92%–100%)
n=10
98% (90%–100%)
n=10
99.1% (91%–100%)
n=10
83.3% (38%–100%)
n=6
83.2% (19%–100%)
n=6
10a.2 Percent of probable/suspect cases with attempted interview 95.4% (83%–100%)
n=10
95.1% (78%–100%)
n=10
n/a 66.8% (0%–100%)
n=5
80.5% (6%–100%)
n=6
10b.1 Median days from confirmed case report to interview attempt 1.8 (0–6)
n=10
1.6 (0–6)
n=10
1.1 (0–2)
n=9
6.6 (0–21)
n=5
4 (0–7)
n=5
10b.2 Median days from probable/suspect case report to interview attempt 1.2 (0–5)
n=9
1.4 (0–4)
n=9
n/a 4.3 (2–9)
n=4
10c.1 Median days from confirmed case report to completed interview 3 (1–11)
n=10
3 (1–10)
n=10
3.4 (1–6)
n=10
7.3 (1–24)
n=6
4.4 (1–8)
n=5
10c.2 Median days from probable/suspect case report to completed interview 2.1 (0–7)
n=10
3.2 (1–7)
n=10
n/a 2.6 (0–7)
n=5
4.8 (1–12)
n=5
10d. Percent of confirmed cases with complete demographic data 90.6% (78%–100%)
n=10
92.9% (79%–100%)
n=10
96.5% (71%–100%)
n=10
77.4% (5%–97%)
n=7
69.7% (3%–96%)
n=6
10e. Percent of confirmed cases with exposure history 85.8% (69%–93%)
n=10
91.2% (80%–100%)
n=10
88.6% (59%–100%)
n=10
80% (65%–91%)
n=6
91.2% (87%–95%)
n=5
10e.1 Percent of confirmed cases with full exposure interview 75.3% (42%-91%)
n=8
82.3% (56%–92%)
n=8
93.4% (79%–100%)
n=7
75.2% (58%–93%)
n=5
89.3% (82%–97%)
n=4
10f. Percent of confirmed cases with serotype information 95.9% (89%–99%)
n=10
92.2% (64%–100%)
n=10
n/a 92% (78%–99%)
n=6
n/a
10g. Percent of confirmed cases with PFGE information 92.8% (84%–99%)
n=10
91.8% (73%–100%)
n=10
94.4% (85%–100%)
n=8
56.2% (2%–90%)
n=6
15.3% (0%–87%)
n=6
10g.1 Percent of confirmed cases with PFGE with complete epi data 76.4% (48%–94%)
n=10
79.6% (67%–90%)
n=10
85.2% (52%–100%)
n=9
54.4% (2%–86%)
n=5
66.8% (3%–100%)
n=4
10h.. Reasons for not interviewing cases
10h.1 Number; Percent Lost to Follow-up 75.3 (18–166)
39.9% (10%–70%)
n=9
12.2 (1–27)
36.1% (6%–93%)
n=9
0.7 (0–1)
24.7% (0%–100%)
n=7
NA NA
10h.2 Number; Percent Refuse 19.6 (2–79)
12.4% (0%–28%)
n=9
2.7 (0–8)
21.4% (0%–60%)
n=9
1.1 (0–6)
20% (0%–54%)
n=7
NA NA
10h.3 Number; Percent Lag time too long 4.6 (0–16)
4.3% (0%–22%)
n=7
0.6 (0–1)
4.3% (0%–20%)
n=7
0 (0–0)
0% (0%–0%)
n=5
NA NA
10h.4 Number; Percent Other 18.2 (0–62)
14.7% (0%–56%)
n=9
2.8 (0–9)
11% (0%–43%)
n=9
0.9 (0–4)
14.6% (0%–36%)
n=7
NA NA
11. Number of investigations 69.7 (24–113)
n=10
11.8 (0–31)
n=10
1.6 (0–5)
n=10
NA NA
12a. Number; Percent of investigations with routine interview of cases 62.8 (20–109)
88.2% (48%–100%)
n=10
12.1 (3–31)
88.3% (45%–100%)
n=9
2.7 (1–5)
100% (100%–100%)
n=6
NA NA
12b. Number; Percent of investigations with supplemental/targeted interviewing of cases 13.6 (0–36)
23.8% (0%–75%)
n=10
5.6 (0–19)
36.9% (0%–83%)
n=9
1.3 (0–4)
38.3% (0%–80%)
n=6
NA NA
12c. Number; Percent of investigations where an analytic epidemiologic study conducted 4.3 (0–18)
7.2% (0%–30%)
n=10
2.6 (0–10)
17.6% (0%–45%)
n=9
0.3 (0–2)
17% (0%–100%)
n=6
NA NA
13. Number; Percent of investigations with suspect vehicle/source identified 4.7 (0–11)
6.6% (0%–16%)
n=10
2.8 (0–15)
13.7% (0%–65%)
n=9
0.5 (0–1)
15.8% (0%–50%)
n=6
NA NA
14. Number; Percent of investigations with confirmed vehicle/source identified 8.5 (1–27)
13.3% (1%–32%)
n=10
3.2 (0–8)
21.8% (0%–57%)
n=9
0.7 (0–2)
20% (0%–50%)
n=6
NA NA
15. Number; Percent of investigations with source identified with:
a. Exclusion of ill person(s) 3.6 (0–16)
4.7% (0%–16%)
n=9
2.3 (0–7)
14.4% (0%–57%)
n=8
0 (0–0)
0% (0%–0%)
n=5
NA NA
b. Remediation or closure 1.4 (0–5)
2.6% (0%–8%)
n=9
1.25 (0–4)
6.6% (0%–17%)
n=8
0.8 (0–3)
22% (0%–60%)
n=5
NA NA
c. Educational campaign 1 (0–9)
5.2% (0%–33%)
n=9
1.4 (0–9)
8.5% (0%–39%)
n=8
0.2 (0–1)
5% (0%–35%)
n=5
NA NA
d. Media/public messaging 3.4 (0–13)
5.2% (0%–22%)
n=9
1.75 (0–6)
10.8% (0%–29%)
n=8
1 (0–2)
28% (0%–50%)
n=5
NA NA
e. Regulatory action (recall, hold) 2.6 (0–10)
3.8% (0%–9%)
n=9
1 (0–2)
7.8% (0%–29%)
n=8
1.4 (0–3)
42% (0%–60%)
n=5
NA NA
16. Number; Percent of investigations linked to a restaurant/food establishment with EHA 4.7 (1–16)
16.5% (1%–83%)
n=10
2 (0–4)
20.6% (0%–43%)
n=9
0.5 (0–50)
15% (0%–50%)
n=6
NA NA
17. Number; Percent of investigations with food/environmental sample collected for testing 4.4 (0–13)
8.1% (0%–22%)
n=10
2 (0–4)
16.4% (0%–57%)
n=9
0.8 (0–2)
31.7% (0%–100%)
n=6
NA NA
18. Number; Percent of investigations where environmental health partners were contacted 19.8 (3–106)
25% (6%–99%)
n=10
2 (0–5)
19.8% (0%–57%)
n=9
1.5 (0–4)
46.7% (0%–100%)
n=6
NA NA
19. Number; Percent of outbreaks with NORS form completed 9.9 (3–32)
72.7% (4%–100%)
n=10
3.5 (0–9)
73% (0%–100%)
n=8
0.2 (0–1)
4% (0%–20%)
n=5
NA NA

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