CDC FoodCORE Year Three Cumulative Metrics – Norovirus, Other Etiology, and Unknown Etiology (NOU)
Data Report Period: January 1, 2013 to December 31, 2013
| Performance Metrics: (See NOU Metrics for complete language and definition) |
Norovirus Measures Mean (Range) |
Other Etiology Measures Mean (Range) |
Unknown Etiology Measures Mean (Range) |
NOU Measures Mean of Individual Means |
|---|---|---|---|---|
| 1- Number of investigations1 | 37 (5 – 139) n= 260 |
14 (3 – 44) n=95 |
7 (0 – 14) n = 48 |
N = 403 |
| 2a- Number; Percent of investigations with clinical specimens collected and submitted to PHL from ≥2 people | 27.6 (3 – 103); 76.7% (43 – 100%) | 8.4 (2 – 26); 60% (33 – 80%) | 2 (0 – 6); 21.5% (0 – 55%) | 12.7; 52.7% |
| 2b- Number; Percent of investigations where clinical specimens were tested for GI viruses at PHL1 | 25.5 (5 – 92); 87.3% (66 – 100%) | 2.7 (0 – 10); 16.5% (0 – 40%) | 1 (0 – 2); 14.8% (0 – 33%) | 9.7; 39.5% |
| 2b.i- Number; Percent of investigations where specimens were tested for norovirus by RT-PCR1 | 25.5 (5 – 92); 89.5% (66 – 100%) | N/A | N/A | N/A |
| 2b.i.1- Number; Percent of norovirus investigations with ≥1 positive specimens with sequencing & upload to CaliciNet1 | 26.6 (5 – 82); 89.6% (71 – 100%) | N/A | N/A | N/A |
| 2b.i.1a- Median days from first norovirus detection via RT-PCR to upload to CaliciNet1 | 3 days (2 – 5 days) | N/A | N/A | N/A |
| 2b.ii- Number; Percent of investigations where specimens were tested for other viruses | 1 (0 – 5); 0.8% (0 – 4%) | 0.7 (0 – 4); 1.5% (0 – 9%) | 0.2 (0 – 1); 20% (0 – 100%) | 0.6; 7.4% |
| 2c- Number; Percent of investigations where clinical specimens were tested for pathogenic bacteria or their toxins, antigens, or antibodies1 | 16.1 (0 – 90); 36.3% (0 – 100%) | 7.6 (2 – 22); 56.3% (33 – 77%) | 1.7 (0 – 6); 18.2% (0 – 55%) | 8.5; 36.9% |
| 2c.i- Number; Percent of investigations where clinical specimens were tested using culture-based diagnostics at PHL | No cumulative data available2 | 7.4 (2 – 22); 56% (33 – 90%) | 1.3 (1 – 2); 18% (7 – 33%) | 19.2; 52.2% |
| 2c.ii- Number; Percent of investigations where clinical specimens were tested using non-culture-based diagnostics at PHL | 0 (0 – 0); 0% (0 – 0%) | 0.3 (0 – 2); 0.8% (0 – 5% | 0.3 (0 – 1); 1.8% (0 – 7%) | 0.2; 0.9% |
| 2d- Number; Percent of investigations where clinical specimens were tested for parasites at PHL | 0.2 (0 – 1); 0.2% (0 – 1%) | 0.7 (0 – 3); 8% (0 – 30%) | 0 (0 – 0); 0% (0 – 0%) | 0.3; 2.7% |
| 2d.i- Number; Percent of O/P positive clinical specimens referred to DPDx | No cumulative data available2 | No cumulative data available2 | No cumulative data available2 | No cumulative data available2 |
| 3a- Number; Percent of investigations with exposure assessments conducted1 | 32.7 (5 – 120); 90% (71 – 100%) | 12.3 (3 – 35); 97.1% (80 – 100%) | 5.7 (0 – 10); 66.7% (0 – 100%) | 16.9; 84.6% |
| 3b- Number; Percent of investigations where an analytic epidemiologic study was conducted1 | 10 (0 – 37); 37.9% (0 – 75%) | 2.7 (0 – 6); 20.3% (0 – 40%) | 1.2 (0 – 4); 14.8% (0 – 36%) | 4.6; 24.3% |
| 4- Number; Percent of investigations with suspect vehicle/source identified1 | 13.6 (1 – 65); 45% (11 – 100%) | 6.1 (1 – 22); 53.3% (20 – 100% | 1 (0 – 3); 10.5% (0 – 33%) | 6.9; 36.3% |
| 5- Number; Percent of investigations with confirmed vehicle/source identified1 | 6.3 (0 – 31); 25.3% (0 – 71%) | 3.7 (0 – 17); 27.9% (0 – 43%) | 0 (0 – 0); 0% (0 – 0%) | 3.3; 17.7% |
| 6- Number; Percent of clusters with identified vehicle/source with: | ||||
| 6a- Exclusion of ill person(s) | 13 (0 – 54); 39.2% (0 – 83%) | 3.7 (0 – 18); 21.5% (0 – 56%) | No cumulative data available2 | 7.4; 36.9% |
| 6b- Remediation or closure | 4.8 (0 – 16); 27.3% (0 – 100%) | 1.7 (0 – 7); 16.5% (0 – 67%) | No cumulative data available2 | 2.3; 22.9% |
| 6c- Educational campaign | 8.2 (0 – 34); 26.5% (0 – 88%) | 2.7 (0 – 12); 20.2% (0 – 40%) | No cumulative data available2 | 3.6; 15.6% |
| 6d- Media/public messaging | 1 (0 – 2); 7.2% (0 – 33%) | 1 (0 – 2); 19.3% (0 – 67%) | No cumulative data available2 | 0.7; 8.8% |
| 6e- Regulatory action (recall, hold) | 0 (0 – 0); 0% (0 – 0%) | 0.7 (0 – 2); 13.7% (0 – 67%) | No cumulative data available2 | 0.4; 12.9% |
| 7- Number; Percent of investigations with link to a common location where an on-site environmental health assessment was conducted1 | 22.4 (5 – 105); 85.9% (47 – 100%) |
8.3 (1 – 30); 65.4% (20 – 100%) | 5.3 (2 – 8); 77.3% (40 – 100%) | 12; 76.2% |
| 8- Number; Percent of investigations where food or environmental sample(s) were collected for testing1 | 2.3 (0 – 14); 2.9% (0 – 10%) | 3.3 (1 – 7); 40.9% (7 – 100%) | 1.2 (0 – 4); 18.8% (0 – 50%) | 2.3; 20.9% |
| 9- Number; Percent of investigations where environmental health, agriculture, regulatory, or food safety program staff were contacted | 22.7 (5 – 90); 92% (65 – 100%) | 9.1 (2 – 29); 82.4% (64 – 100%) | 6 (4 – 8); 87.2% (50 – 100%) | 12.6; 87.2% |
| 10- Number; Percent of outbreaks with NORS forms completed1 | 33 (5 – 130); 88.9% (43 – 100%) | 10.4 (2 – 38); 74.7% (20 – 100%) | 6.5 (1 – 13); 79.5% (20 – 100%) | 16.6; 81.0% |
1 Minimum reporting requirement for FoodCORE Centers
2 Cumulative data for this metric were not reported from 3 or more centers