CDC FoodCORE Year Five Cumulative Metrics – Norovirus, Other Etiology, and Unknown Etiology (NOU)
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Data Report Period: January 1, 2015 to December 31, 2015
| Performance Metrics: (See associated document for complete language and definitions) |
Norovirus Measures Mean (Range) | Other Etiology Measures Mean (Range) | Unknown Etiology Measures Mean (Range) | NOU Measures Mean of Individual Means |
|---|---|---|---|---|
| 1a. Number of investigations | 84.8 (5 – 172) n = 848 | 24.4 (1 – 63) n = 244 | 31.6 (2 – 133) n = 316 | n = 1408 |
| 1b. Number of foodborne or point-source investigations | 15.3 (1 – 46) | 12.4 (1 – 33) | 7.8 (1 – 28) | 11.8 |
| 1c. Number of person-to-person investigations | 65.0 (0 – 154) | 11.1 (0 – 30) | 21.1 (0 – 121) | 32.4 |
| 2a. Number; Percent of investigations with clinical specimens collected and submitted to PHL from ≥2 people | 44.4(3 – 134); 55.2% (9 – 100%) | 16.3 (1 – 43; 69.2% (38 – 100%) | 7.7 (0 – 27); 37.4% (0 – 100%) | 22.8; 53.9% |
| 2b. Number; Percent of investigations where clinical specimens were tested for GI viruses at PHL | 44.4 (3 – 134); 81% (20 – 100%) |
7.5 (0 – 29); 41% (0 – 100%) | 7.9 (1 – 26); 85.1% (27 – 100%) | 19.9; 69% |
| 2b-i. Number; Percent of investigations where specimens were tested for norovirus by RT-PCR | 49.1 (5 – 134); 88.6% (39 – 100%) |
N/A | N/A | N/A |
| 2b-i-1. Number; Percent of norovirus investigations with ≥1 positive specimens with sequencing & upload to CaliciNet | 43.1 (0 – 104); 52.0% (0 – 85%) | N/A | N/A | N/A |
| 2b-i-1a. Median days from first norovirus detection via RT-PCR to upload to CaliciNet | 9.6 days (2 – 34 days) | N/A | N/A | N/A |
| 2b-ii. Number; Percent of investigations where specimens were tested for other viruses | 4.0 (0 – 30); 11.6% (0 – 100%) | 6.0 (0 – 23); 38.6% (0 – 100%) | 3.6 (0 – 15); 40.2% (0 – 100%) | 4.5; 30.1% |
| 2c. Number; Percent of investigations where clinical specimens were tested for pathogenic bacteria or their toxins, antigens, or antibodies | 14.6 (0 – 60); 34.2% (0 – 100%) | 12 (1 – 37); 64.7% (13 – 100%) | 3.9 (1 – 10); 51.7% (7 – 100%) | 10.1; 50.2% |
| 2c-i. Number; Percent of investigations where clinical specimens were tested using culture-based diagnostics at PHL | 16.7 (5 – 60); 30.4% (0 – 100%) | 11.6 (1 – 37); 64.7% (13 – 100%) | 3.4 (0 – 10); 47.9% (0 – 100%) | 10.6; 47.7% |
| 2c-ii. Number; Percent of investigations where clinical specimens were tested using non-culture-based diagnostics at PHL | 3.5 (0 – 18); 14.5% (0 – 67%) | 4.0 (0 – 29); 27.7% (0 – 80%) | 1.2 (0 – 3); 29.3% (0 – 100%) | 2.9; 23.8% |
| 2d. Number; Percent of investigations where clinical specimens were tested for parasites at PHL | 0.6 (0 – 5); 10.1% (0 – 100%) | 2.9 (0 – 10); 14.7% (0 – 60%) | 0.8 (0 – 2); 14.8% (0 – 67%) | 1.4; 13.2% |
| 3a. Number; Percent of investigations with exposure assessments conducted | 13.4 (5 – 43); 90.0% (43 – 100%) | 7.9 (1 – 18); 82.7% (20 – 100%) | 6.0 (0 – 15); 90.1% (54 – 100%) | 9.1; 87.6% |
| 3b. Number; Percent of investigations where an analytic epidemiologic study was conducted | 6.9 (0 – 37); 39.9% (0 – 100%) | 3.5 (0 – 14); 26.8% (0 – 88%) | 1.7 (0 – 5); 25.7% (0 – 67%) | 2.7; 34.2% |
| 4. Number; Percent of investigations with suspect vehicle/source identified | 2.4 (0 – 8); 22.9% (0 – 80%) | 4.1 (1 – 8); 54.1% (13 – 100%) | 1.7 (0 – 5); 35.7% (0 – 67%) | 2.7; 34.2% |
| 5. Number; Percent of investigations with confirmed vehicle/source identified | 3.5 (0 – 9); 22.5% (0 – 75%) | 3.2 (0 – 11); 24.2% (0 – 63%) | 0.2 (0 – 1); 10.4% (0 – 100%) | 2.3; 19% |
| 6. Number; Percent of clusters with identified vehicle/source with: | ||||
| a. Exclusion of ill person(s) | 4.1 (0 – 23); 19.0% (0 – 53%) | 0.6 (0 – 2); 8.5% (0 – 25%) | 0.2 (0 – 1); 16.7% (0 – 100%) | 1.6; 14.7% |
| b. Remediation or closure | 5.7 (0 – 30); 38.6% (0 – 100%) | 2.9 (0 – 11); 32.9% (0 – 83%) | 0.5 (0 – 2); 20.0% (0 – 100%) | 3.0; 30.5% |
| c. Educational campaign | 1.5 (0 – 5); 17.2% (0 – 63%) | 1.4 (0 – 4); 19.4% (0 – 50%) | 0.0 (0 – 0); 0% (0 – 0%) | 1.0; 12.2% |
| d. Media/public messaging | 0.7 (0 – 2); 5.4% (0 – 20%) | 0.9 (0 – 4); 11.8% (0 – 50%) | 0.2 (0 – 1); 2.8% (0 – 17%) | 0.6; 6.7% |
| e. Regulatory action (recall, hold) | 0.9 (0 – 3); 15.9% (0 – 60%) | 1.4 (0 – 5); 20.5% (0 – 83%) | 0.5 (0 – 3); 12.5% (0 – 75%) | 0.9; 16.3% |
| 7. Number; Percent of investigations with link to a common location where an on-site environmental health assessment was conducted | 13.2 (0 – 40); 78.7% (0 – 100%) | 6.5 (0 – 14); 71.9% (20 – 100%) | 5.9 (1 – 18); 89.9% (67 – 100%) | 8.5; 80.1% |
| 8. Number; Percent of investigations where food or environmental sample(s) were collected for testing | 1.3 (0 – 9); 6.8% (0 – 20%) | 2.9 (0 – 8); 23.7% (0 – 50%) | 1.7 (0 – 11); 15.9% (0 – 50%) | 2.0; 15.5% |
| 9. Number; Percent of investigations where environmental health, agriculture, regulatory, or food safety program staff were contacted | 14.4 (0 – 42); 83.4% (0 – 100%) | 7.8 (0 – 19); 66.8% (0 – 100%) | 7.2 (0 – 22); 86.6% (0 – 100%) | 9.8; 78.9% |
| 10. Number; Percent of outbreaks with NORS forms completed | 70.1 (5 – 172); 100.0% (100 – 100%) |
18.3 (1 – 61); 88.7% (30 – 100%) | 16.0 (2 – 40); 91.2% (56 – 100%) | 34.8; 93.3% |
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- Page last reviewed: March 14, 2017
- Page last updated: March 14, 2017
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