CDC FoodCORE Year Four Cumulative Metrics – Norovirus, Other Etiology, and Unknown Etiology (NOU)
Data Report Period: January 1, 2014 to December 31, 2014
| 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 |
|---|---|---|---|---|
| 1a. Number of investigations1 | 91.5 (9 – 255) n = 915 | 15.7 (4 – 44) n = 157 | 20.8 (0 – 79) n = 208 | n = 1295 |
| 1b. Number of foodborne or point-source investigations1 | 18.6 (4 – 83) | 9.5 (3 – 18) | 4.4 (1 – 14) | 10.8 |
| 1c. Number of person-to-person investigations1 | 72.9 (2 – 238) | 6.2 (0 – 26) | 18.2 (0 – 73) | 32.4 |
| 2a. Number; Percent of investigations with clinical specimens collected and submitted to PHL from ≥2 people | 43 (3 – 157); 54.4% (9 – 100%) | 9.5 (0 – 22); 68.7% (38 – 100%) | 5.9 (0 – 35); 23.6% (0 – 45%) | 19.5; 48.9% |
| 2b. Number; Percent of investigations where clinical specimens were tested for GI viruses at PHL1 | 43.7 (3 – 157); 72.9% (11 – 100%) |
3.8 (0 – 17); 32% (0 – 100%) | 6 (0 – 35); 51.4% (0 – 100%) | 17.8; 52.1% |
| 2b-i. Number; Percent of investigations where specimens were tested for norovirus by RT-PCR1 | 43.7 (3 – 157); 75.6% (11 – 100%) |
N/A | N/A | N/A |
| 2b-i-1. Number; Percent of norovirus investigations with ≥1 positive specimens with sequencing & upload to CaliciNet1 | 42.6 (0 – 126); 61.3% (0 – 100%) | N/A | N/A | N/A |
| 2b-i-1a. Median days from first norovirus detection via RT-PCR to upload to CaliciNet1 | 7.6 days (1 – 26 days) | N/A | N/A | N/A |
| 2b-ii. Number; Percent of investigations where specimens were tested for other viruses | 0.2 (0 – 1); 0.2% (0 – 1%) | 2.9 (0 – 16); 20.9% (0 – 94%) | 3.4 (0 – 20); 11.9% (0 – 57%) | 2.2; 11% |
| 2c. Number; Percent of investigations where clinical specimens were tested for pathogenic bacteria or their toxins, antigens, or antibodies1 | 13.3 (0 – 70); 31.3% (0 – 89%) | 6.7 (1 – 19); 55.7% (17 – 100%) | 1.2 (0 – 4); 35.4% (0 – 100%) | 7.1; 40.8% |
| 2c-i. Number; Percent of investigations where clinical specimens were tested using culture-based diagnostics at PHL | 22.4 (5 – 70); 58.8% (20 – 100%) | 6.9 (1 – 18); 58.1% (17 – 100%) | 2 (1 – 4); 68.6% (14 – 100%) | 10.4; 61.8% |
| 2c-ii. Number; Percent of investigations where clinical specimens were tested using non-culture-based diagnostics at PHL | 1.4 (0 – 5); 4.2% (0 – 20%) | 0.7 (0 – 2); 9.9% (0 – 50%) | 0 (0 – 0); 0% (0 – 0%) | 0.7; 4.7% |
| 2d. Number; Percent of investigations where clinical specimens were tested for parasites at PHL | 0.1 (0 – 1); 0.4% (0 – 4%) | 1.5 (0 – 5); 14.8% (0 – 67%) | 0.1 (0 – 1); 0.3% (0 – 3%) | 0.6; 5.2% |
| 3a. Number; Percent of investigations with exposure assessments conducted1 | 13.6 (2 – 56); 79.6% (22 – 100%) | 6.1 (1 – 15); 73.4% (7 – 100%) | 3.2 (0 – 10); 63.4% (0 – 100%) | 7.6; 72.1% |
| 3b. Number; Percent of investigations where an analytic epidemiologic study was conducted1 | 6.1 (0 – 20); 50.8% (0 – 100%) | 2 (0 – 4); 39.2% (0 – 100%) | 1.2 (0 – 4); 34.1% (0 – 100%) | 3.1; 41.4% |
| 4. Number; Percent of investigations with suspect vehicle/source identified1 | 3.9 (0 – 14); 28.3% (0 – 89%) | 4 (0 – 11); 37.4% (0 – 71%) | 1.2 (0 – 3); 36% (0 – 100%) | 3.0; 33.9% |
| 5. Number; Percent of investigations with confirmed vehicle/source identified1 | 2.6 (0 – 12); 21.2% (0 – 80%) | 2.9 (0 – 6); 38.6% (0 – 100%) | 0.2 (0 – 1); 4.7% (0 – 25%) | 1.9; 21.5% |
| 6. Number; Percent of clusters with identified vehicle/source with: | ||||
| a. Exclusion of ill person(s) | 5.4 (0 – 17); 34.3% (0 – 80%) | 1.5 (0 – 5); 22.8% (0 – 56%) | 0.7 (0 – 2); 23.7% (0 – 100%) | 2.5; 26.9% |
| b. Remediation or closure | 4 (0 – 19); 35.3% (0 – 86%) | 1.9 (0 – 4); 29.4% (0 – 100%) | 0.2 (0 – 1); 5.5% (0 – 33%) | 2.0; 23.4% |
| c. Educational campaign | 2.1 (0 – 9); 29.1% (0 – 100%) | 1.6 (0 – 4); 26.5% (0 – 80%) | 0.3 (0 – 2); 16.7% (0 – 100%) | 1.3; 24.1% |
| d. Media/public messaging | 0.9 (0 – 4); 11.4% (0 – 80%) | 1.1 (0 – 3); 15% (0 – 50%) | 0 (0 – 0); 0% (0 – 0%) | 0.7; 8.8% |
| d. Media/public messaging | 0 (0 – 0); 0% (0 – 0%) | 1.6 (0 – 7); 16% (0 – 57%) | 0.2 (0 – 1); 5.5% (0 – 33%) | 0.6; 7.2% |
| 7. Number; Percent of investigations with link to a common location where an on-site environmental health assessment was conducted1 | 12.9 (0 – 48); 81.5% (0 – 100%) | 6 (0 – 15); 68.4% (0 – 100%) | 3.2 (0 – 11); 70.3% (0 – 100%) | 7.4; 73.4% |
| 8. Number; Percent of investigations where food or environmental sample(s) were collected for testing1 | 1.6 (0-8); 15.8% (0-80%) | 2.2 (0 – 5); 28.5% (0 – 60%) | 1.6 (0 – 6); 27.7% (0 – 100%) | 1.8; 24% |
| 9. Number; Percent of investigations where environmental health, agriculture, regulatory, or food safety program staff were contacted | 15.1 (0 – 47); 84.1% (0 – 100%) | 5.6 (1 – 12); 72% (14 – 100%) | 3.3 (0 – 8); 67.5% (0 – 100%) | 8.0; 74.5% |
| 10. Number; Percent of outbreaks with NORS forms completed1 | 68.6 (5 – 241); 91.1% (16 – 100%) |
13.3 (0 – 40); 78.5% (0 – 100%) | 14.7 (2 – 79); 73.9% (35 – 100%) | 32.2; 81.2 % |
1 Minimum reporting requirement for FoodCORE Centers