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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