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

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Data Report Period: January 1, 2017 to December 31, 2017

Ten state and local health departments participate in FoodCORE. Data are only reported when available from three or more centers; ‘n’ indicates the number of centers reporting each metric.

Table showing the Mean (Range) for Salmonella, STEC, Listeria, Shigella, and Campylobacter
Performance Metrics:
(See FoodCORE website 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 1014 (418–1567)
n=10		 266 (93–797)
n=10		 24(8–66)
n=10		 152 (30–317)
n=9		 456(86–1282)
n=8
1b. Number of primary isolates/isolate-yielding specimens 904 (374–1453)
n=10		 200 (66–417)
n=10		 19(8–52)
n=10		 147 (27–303)
n=9		 444(86–1242)
n=8
2a. Total number of preliminary positive clinical specimens 850 (255–1542)
n=9		 403 (108–1031)
n=10		 n/a 165 (40–397)
n=8		 586 (40–1756)
n=7
2b. Number; Percent isolate-yielding preliminary positive clinical specimens 742 (255–1500)
89.7% (75%–100%)
n=9		 236 (68–797)
55.4% (29%–77%)
n=10		 n/a 98 (13–303)
55% (33%–76%)
n=8		 407 (20–1077)
75.1%(50%–100%)
n=7
3. Median days from isolation/isolate-yielding specimen collection to receipt at PHL 4.4(3–8)
n=10		 3.6(2–6)
n=10		 5.2 (2–10)
n=10		 4(2–8)
n=9		 3.9 (2–5)
n=8
4. Median days from receipt of isolate-yielding specimens at PHL to recovery of isolate 2(0–5)
n=8		 4(0–6)
n=9		 1.3 (0–3)
n=7		 2(0–4)
n=7		 1.8 (0–3)
n=6
5. Percent of primary isolates with serotype information 98.1% (90%–100%)
n=10		 81.2%(28%–98%)
n=10		 n/a 99.3% (95%–100%)
n=9		 98.3%(94%–100%)
n=4
6. Median days from isolate receipt (or recovery) to serotype result 4 (2–9)
n=10		 3.8 (2–5)
n=10		 n/a 2.4 (1–4)
n=8		 2.3(1–5)
n=7
7a. Percent of primary isolates with PFGE information 99% (95%–100%)
n=10		 95.7% (70%–100%)
n=10		 96%(83%–100%)
n=9		 48% (0%–100%)
n=7		 29.9%(0%–100%)
n=7
7b. Percent of primary isolates with WGS information 81.3% (27%–100%)
n=9		 82.1% (33%–100%)
n=9		 83.1%(27%–100%)
n=9		 33.3% (0%–100%)
n=8		 42%(0%–100%)
n=7
8a. Median days from isolate receipt (or recovery) to PFGE upload to PulseNet 4.8 (2–8)
n=10		 5.4 (3–9)
n=10		 3.9(2–6)
n=9		 10.8 (1–57)
n=8		 9.6(4–27)
n=7
8b. Median days from isolate receipt (or recovery) to WGS sequence being shared 21.4 (9–45)
n=7		 21.7 (9–40)
n=7		 15.9(6–38)
n=7		 27 (10–58)
n=7		 27.7(10–72)
n=7
8c. Median days from isolate receipt (or recovery) at PFGE lab to upload to PulseNet 2.6 (1–4)
n=10		 2.4 (1–4)
n=10		 2.4(1–4)
n=9		 7.9 (1–45)
n=8		 3.4(2–6)
n=7
8d. Median days from isolate receipt (or recovery) at WGS lab to upload to sequence being shared 17.7 (4–40)
n=7		 16.9 (3–32)
n=7		 13.7 (3–36)
n=7		 13.4 (5–28)
n=7		 10.1 (3–27)
n=7
9a. Number of reported laboratory confirmed cases 818 (367–1364)
n=10		 183 (42–341)
n=10		 18 (6–50)
n=10		 183 (32–338)
n=9		 803 (88–1822)
n=9
9b. Number of reported probable cases 82 (26–194)
n=10		 38 (0–190)
n=9		 n/a 90 (12–294)
n=8		 392 (0–1387)
n=8
9c. Number of reported suspect cases 2 (0–9)
n=8		 90 (0–170)
n=10		 n/a 4 (0–15)
n=6		 n/a
10a.1 Percent of confirmed cases with attempted interview 96.1% (78%–100%)
n=10		 94.4% (78%–100%)
n=10		 95.9% (71%–100%)
n=10		 90.6% (74%–100%)
n=8		 88.4% (44%–100%)
n=8
10a.2 Percent of probable/suspect cases with attempted interview 95.8%(79%–100%)
n=10		 95.4%(77%–100%)
n=10		 n/a 78.6%(2%–100%)
n=7		 86.6% (42%–100%)
n=7
10b.1 Median days from confirmed case report to interview attempt 1.3(0–4)
n=10		 1.3(0–4)
n=10		 1.7 (0–5)
n=10		 2.3(0–10)
n=8		 2.6 (1–5)
n=8
10b.2 Median days from probable/suspect case report to interview attempt 1 (0–4)
n=9		 1.2 (0–4)
n=9		 n/a 2.8 (0–15)
n=8		 3(1–9)
n=8
10c.1 Median days from confirmed case report to completed interview 2.8 (1–6)
n=10		 2.5 (1–6)
n=10		 4.3(1–11)
n=10		 3.8 (1–14)
n=9		 4.1(1–9)
n=9
10c.2 Median days from probable/suspect case report to completed interview 2.2 (0–6)
n=10		 2.4 (0–7)
n=10		 n/a 4.8 (0–20)
n=8		 4.8(0–11)
n=8
10d. Percent of confirmed cases with complete demographic data 91.5% (76%–98%)
n=10		 90.3% (60%–100%)
n=10		 94.9%(75%–100%)
n=10		 89.8% (72%–97%)
n=9		 83.3%(50%–96%)
n=9
10e. Percent of confirmed cases with exposure history 85.7% (78%–92%)
n=10		 90% (81%–95%)
n=10		 86.7%(67%–100%)
n=10		 82.9% (73%–93%)
n=9		 80.9%(52%–94%)
n=9
10e.1 Percent of confirmed cases with full exposure interview 79.5% (45%–97%)
n=8		 82.6% (54%–98%)
n=8		 73.1%(0%–100%)
n=9		 76% (0%–99%)
n=7		 73.8%(0%–99%)
n=6
10f. Percent of confirmed cases with serotype information 96.5% (88%–100%)
n=10		 89%(62%–100%)
n=10		 n/a 94.5% (83%–100%)
n=8		 n/a
10g. Percent of confirmed cases with PFGE information 91.9% (83%–99%)
n=10		 86.4%(40%–100%)
n=10		 79.7% (0%–100%)
n=10		 36.9% (0%–91%)
n=8		 26.8%(0%–100%)
n=8
10g.1 Percent of confirmed cases with PFGE with complete epi data 80.5%(60%–90%)
n=10		 85.6%(65%–96%)
n=10		 74.3%(0%–100%)
n=10		 76.5%(32%–100%)
n=8		 68.9%(0%–100%)
n=8
10h. Reasons for not interviewing cases
10h.1 Number; Percent Lost to Follow-up 81 (31–189)
30% (6%–70%)
n=9		 13 (0–28)
16.4% (0%–78%)
n=9		 1 (0–4)
17.3% (0%–67%)
n=9		 n/a n/a
10h.2 Number; Percent Refused interview 21 (4–57)
9.7% (1%–29%)
n=10		 3 (0–8)
6.6% (0%–50%)
n=10		 1 (0–2)
12.8% (0%–50%)
n=10		 n/a n/a
10h.3 Number; Percent Lag time too long 5 (0–32)
2.2% (0%–17%)
n=9		 0 (0–2)
0.1% (0%–1%)
n=8		 0 (0–0)
0% (0%–0%)
n=8		 n/a n/a
10h.4 Number; Percent Other 25(2–71)
10.1%(0%–47%)
n=10		 6 (0–23)
14.6% (0%–100%)
n=10		 1 (0–4)
22.1% (0%–100%)
n=10		 n/a n/a
11. Number of investigations 62(38–111)
n=10		 12(0–23)

n=10

 2 (0–9)
n=10		 n/a n/a
12a. Number; Percent of investigations with routine interview of cases 54 (12–111)
84.6% (24%–100%)
n=10		 11 (5–23)
89% (26%–100%)
n=9		 3(0–9)
85.7%(0%–100%)
n=7		 n/a n/a
12b. Number; Percent of investigations with supplemental/targeted interviewing of cases 15 (2–29)
26% (5%–54%)
n=9		 4 (0–17)
30.3% (0%–100%)
n=8		 1(0–3)
36%(0%–100%)
n=7		 n/a n/a
12c. Number; Percent of investigations where an analytic epidemiologic study conducted 2 (0–5)
3.1% (0%–8%)
n=10		 1 (0–4)
8.3% (0%–24%)
n=9		 0(0–3)
18.8%(0%–100%)
n=8		 n/a n/a
13. Number; Percent of investigations with suspect vehicle/source identified 5 (1–22)
8.5% (2%–26%)
n=10		 2 (0–10)
14.7% (0%–59%)
n=9		 0(0–4)
16.6%(0%–100%)
n=8		 n/a n/a
14. Number; Percent of investigations with confirmed vehicle/source identified 7 (0–17)
10.6% (0%–18%)
n=10		 2(0–6)
12.6%(0%–40%)
n=9		 0 (0–1)
5.5% (0%–33%)
n=8		 n/a  n/a 
15. Number; Percent of investigations with source identified with:
a. Exclusion of ill person(s) 5 (0–16)
6.9% (0%–18%)
n=8		 2 (0–5)
13.7% (0%–33%)
n=7		 0(0–0)
0%(0%–0%)
n=6		 n/a n/a
b. Remediation or closure 2 (0–7)
3.5% (0%–8%)
n=8		 1 (0–3)
3.9% (0%–18%)
n=7		 0(0–1)
1.8%(0%–11%)
n=6		 n/a n/a
c. Educational campaign 1 (0–5)
2.8% (0%–13%)
n=8		 1 (0–9)
10% (0%–53%)
n=7		 0(0–0)
0%(0%–0%)
n=6		 n/a n/a
d. Media/public messaging 2 (0–6)
4.9% (0%–15%)
n=8		 1 (0–3)
6.3% (0%–18%)
n=7		 1 (0–3)
22.2% (0%–100%)
n=6		 n/a n/a
e. Regulatory action (recall, hold) 2 (0–3)
3.4% (0%–8%)
n=8		 1 (0–3)
7% (0%–18%)
n=7		 1(0–3)
22.2%(0%–100%)
n=6		 n/a n/a
16. Number; Percent of investigations linked to a restaurant/food establishment with EHA 4(2–8)
12.7%(4%–67%)
n=10		 2(0–9)
23.1%(0%–100%)
n=9		 0 (0–2)
7.6% (0%–50%)
n=8		 n/a n/a
17. Number; Percent of investigations with food/environmental sample collected for testing 4(1–8)
7.4%(2%–21%)
n=10		 1(0–2)
8.3%(0%–17%)
n=9		 1(0–4)
30.5%(0%–100%)
n=8		 n/a n/a
18. Number; Percent of investigations where environmental health partners were contacted 8 (4–16)
16% (5%–41%)
n=10		 3 (0–9)
19.3% (0%–53%)
n=9		 1(0–4)
30.5%(0%–100%)
n=8		 n/a n/a
19. Number; Percent of outbreaks with NORS form completed 8 (1-18)
78.3% (3%–100%)
n=10		 2 (0–6)
57.5% (0%–100%)
n=8		 0(0–1)
15.9%(0%–100%)
n=7		 n/a n/a

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