CDC FoodCORE Year Seven Cumulative Metrics – Norovirus, Other Etiology, and Unknown Etiology (NOU)
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.
| Performance Metrics: (See FoodCORE website for complete language and definitions) |
Norovirus Mean (Range) | Other Etiology Mean (Range) | Unknown Etiology Mean (Range) |
|---|---|---|---|
| 1a. Number of investigations | 102 (7–249) n=10 |
19 (4–62) n=10 |
17 (0–68) n=10 |
| 1b. Number of foodborne or point-source investigations | 18 (5–49) n=10 |
10 (0–28) n=10 |
3 (0–16) n=9 |
| 1c. Number of person-to-person investigations | 76 (2–225) n=10 |
8 (0–34) n=10 |
12 (0–66) n=9 |
| 2a.1 Number; Percent of investigations with clinical specimens submitted to any lab | 59 (7–168) 62.5% (32%–100%) n=10 |
17 (4–59) 83.6% (36%–100%) n=10 |
8 (0–40) 37% (0%–59%) n=9 |
| 2a.2 Number; Percent of investigations with clinical specimens submitted to PHL | 44 (5–109) 49.4% (9%–86%) n=10 |
13 (3–38) 70.3% (36%–100%) n=10 |
5 (0–27) 28.7% (0%–50%) n=9 |
| 2b. Number; Percent of investigations where clinical specimens were tested for GI viruses at PHL | 44 (5–109) 100% (100%–100%) n=10 |
6 (0–19) 48.1% (0%–100%) n=10 |
5 (0–27) 66.7% (0%–100%) n=9 |
| 2b.1 Number; Percent of investigations where specimens were tested for norovirus by RT-PCR at PHL | 48 (6–109) 99.6% (96%–100%) n=9 |
5 (0–16) 66.9% (0%–100%) n=9 |
5 (0–27) 55.6% (0%–100%) n=9 |
| 2b.1.1 Number; Percent of norovirus investigations with positive specimens sequenced and uploaded to CaliciNet | 32 (0–83) 64.1% (0%–100%) n=8 |
n/a | n/a |
| 2b.1.1.1 Median days from first norovirus detection via RT-PCR to upload to CaliciNet | 8.6 (2–20) n=7 |
n/a | n/a |
| 2b.2 Number; Percent of investigations where specimens were tested for other viruses at PHL | 6 (0–31) 22% (0%–100%) n=10 |
3 (0–14) 41.9% (0%–100%) n=10 |
2 (0–14) 22.4% (0%–100%) n=9 |
| 2c. Number; Percent of investigations where specimens were tested for pathogenic bacteria or their toxins, antigens, or antibodies at PHL | 17 (4–55) 62.2% (4%–100%) n=10 |
11 (2–32) 75% (25%–100%) n=10 |
3 (0–14) 44.6% (0%–100%) n=9 |
| 2c.1 Number; Percent of investigations where specimens were tested using culture-based diagnostics at PHL | 10 (0–42) 53.4% (0%–100%) n=9 |
9 (1–23) 85.8% (20%–100%) n=9 |
1 (0–2) 30% (0%–100%) n=8 |
| 2c.2 Number; Percent of investigations where clinical specimens were tested using non-culture-based diagnostics at PHL | 14 (0–46) 60.5% (0%–100%) n=8 |
5 (0–26) 33% (0%–100%) n=8 |
1 (0–4) 25.7% (0%–100%) n=7 |
| 2d. Number; Percent of investigations where clinical specimens were tested for parasites at PHL | 3 (0–14) 18.4% (0%–100%) n=10 |
2 (0–11) 12.3% (0%–55%) n=10 |
2 (0–14) 16.9% (0%–100%) n=9 |
| 3a. Number; Percent of foodborne or point-source investigations with exposure assessments conducted | 14 (5–35) 83.6% (39%–100%) n=10 |
6 (0–13) 69.4% (0%–100%) n=10 |
2 (0–5) 62.7% (0%–100%) n=9 |
| 3b. Number; Percent of foodborne or point-source investigations where an analytic epidemiologic study was conducted | 7 (2–19) 47.8% (18%–100%) n=10 |
2 (0–4) 24.1% (0%–50%) n=10 |
1 (0–2) 29.2% (0%–100%) n=9 |
| 4. Number; Percent of foodborne or point-source investigations with suspect vehicle/source identified | 3 (0–10) 21.3% (0%–43%) n=10 |
3 (0–8) 36.3% (0%–67%) n=10 |
1 (0–3) 33.6% (0%–100%) n=9 |
| 5. Number; Percent of foodborne or point-source investigations with confirmed vehicle/source identified | 1 (0–7) 8.3% (0%–29%) n=10 |
2 (0–4) 15.6% (0%–33%) n=10 |
0 (0–0) 0% (0%–0%) n=9 |
| 6. Number; Percent of foodborne or point-source investigations with identified source with: | |||
| a. Exclusion of ill person(s) | 6 (0–23) 24.6% (0%–66%) n=9 |
1 (0–6) 4.6% (0-21%) n=9 |
0 (0–2) 1.6% (0%–13%) n=8 |
| b. Remediation or closure | 5 (0–24) 20.2% (0%–69%) n=9 |
2 (0–5) 14.1% (0%–63%) n=9 |
0 (0–1) 13.3% (0%–50%) n=8 |
| c. Educational campaign | 2 (0–10) 6.3% (0%–20%) n=9 |
2 (0–7) 9.9% (0%–33%) n=9 |
0 (0–1) 7% (0%–50%) n=8 |
| d. Media/public messaging | 2 (0–8) 6.7% (0%–23%) n=9 |
1 (0–2) 4% (0%–17%) n=9 |
0 (0–0) 0% (0%–0%) n=8 |
| e. Regulatory action (recall, hold) | 0 (0–2) 3.9% (0%–29%) n=9 |
1 (0–4) 5.8% (0%–33%) n=9 |
0 (0–0) 0% (0%–0%) n=8 |
| 7. Number; Percent of foodborne or point-source investigations linked to a common location where an on-site EHA was conducted | 15 (5–33) 88.8% (72%–100%) n=10 |
6 (0–11) 68.9% (0%–100%) n=10 |
2 (0–12) 55.9% (0%–100%) n=9 |
| 8. Number; Percent of foodborne or point-source investigations where food or environmental sample(s) were collected for testing | 1 (0–9) 6.3% (0%–29%) n=10 |
2 (0–6) 21.9% (0%–50%) n=10 |
1 (0–5) 20.1% (0%–100%) n=9 |
| 9. Number; Percent of foodborne or point-source investigations where environmental health partners were contacted | 15 (3–36) 84% (43%–100%) n=9 |
6 (0–14) 71% (0%–100%) n=9 |
3 (0–14) 73.5% (0%–100%) n=8 |
| 10. Number; Percent of outbreaks with NORS forms completed | 79 (5–249) 97% (71%–100%) n=10 |
14 (0–58) 79.3% (0%–100%) n=10 |
15 (1–68) 84.3% (40%–100%) n=9 |