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CDC FoodCORE Year Two Cumulative Metrics – Norovirus, Other Etiology, and Unknown Etiology (NOU)

Data Report Period: October 1, 2011 to December 31, 2012

Performance Metrics:
(See NOU Metrics 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
1- Number of investigations 1 36.6 (6 – 185)
n = 256
16.0 (0 – 69)
n = 112
10.6 (3 – 31)
n = 74
21.1
n = 442
2a- Number; Percent of investigations with clinical specimens collected and submitted to PHL from ≥2 people 22.6 (4-100); 74.3% (50 – 100%) 11.2 (2 – 28); 79.8% (41 – 100%) 2.4 (0 – 5); 30.1% (0 – 100%) 12.1; 61.4%
2b- Number; Percent of investigations where clinical specimens were tested for GI viruses at PHL 1 24.4 (4 – 107); 86.9% (50 – 100%) 1.6 (0 – 4); 31.2% (0 – 80%) 2.2 (0 -5); 33.2% (0 – 100%) 9.4; 50.4%
2b.i- Number; Percent of investigations where specimens were tested for norovirus by RT-PCR 1 24.1 (2 – 107); 83.3% (25 – 100%) N/A N/A N/A
2b.i.1- Number; Percent of norovirus investigations with ≥1 positive specimens with sequencing & upload to CaliciNet 1 32.8 (2 – 100); 77.5% (25 – 100%) N/A N/A N/A
2b.i.1a- Median days from first norovirus detection via RT-PCR to upload to CaliciNet 1 19.3 days (3-45) N/A N/A N/A
2b.ii- Number; Percent of investigations where specimens were tested for other viruses 0 (0 – 0); 0% (0 – 0%) 0.4 (0 – 2); 10.0% (0 – 50%) 0.3 (0 – 2); 5.5% (0 – 33%) 0.2; 5.2%
2c- Number; Percent of investigations where clinical specimens were tested for pathogenic bacteria or their toxins, antigens, or antibodies 1 20.8 (0 – 89); 52.3% (0 – 100%) 9.3 (1 – 19); 69.2% (28 – 100%) 3.1 (0 – 6); 39.4% (0 – 100%) 11.1; 53.6%
2c.i- Number; Percent of investigations where clinical specimens were tested using culture-based diagnostics at PHL 33.0 (2 – 89);
57.7% (25 – 100%)
9.5 (1 – 19); 65.3% (28 – 100%) 3.2 (2 – 5); 48.2% (16 – 100%) 15.2; 57.1%
2c.ii- Number; Percent of investigations where clinical specimens were tested using non-culture-based diagnostics at PHL 1.3 (0 – 3); 7.0% (0 – 25%) 0.2 (0 – 1); 6.6% (0 – 33%) 0.5 (0 – 2); 7.5% (0 – 33%) 0.7; 7.0%
2d- Number; Percent of investigations where clinical specimens were tested for parasites at PHL 0.7 (0 – 2); 6.3% (0 – 25%) 0.4 (0 – 1); 6.8% (0 -33%) 0.1 (0 – 1); 0.4% (0 – 3%) 0.4; 4.5%
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 conducted 1 29.6 (6 – 141); 91.7% (76 – 100%) 13.0 (3 – 40); 87.8% (58 – 100%) 5.6 (1 – 14); 65.7% (12 – 100%) 16.1; 81.7%
3b- Number; Percent of investigations where an analytic epidemiologic study was conducted 1 6.3 (0 – 17); 29.1% (0 – 69%) 2.3 (1 – 4); 34.8% (6 – 100%) 1.7 (0 – 5); 30.3% (0 – 100%) 3.4; 31.4%
4- Number; Percent of investigations with suspect vehicle/source identified 1 18.0 (0 – 108); 31.3% (0 – 58%) 6.7 (0 – 22); 40.0% (0 – 75%) 4.0 (0 – 18); 29.0% (0 – 58%) 9.6; 33.4%
5- Number; Percent of investigations with confirmed vehicle/source identified 1 6.0 (0 – 27); 14.1% (0 – 39%) 5.3 (2 – 21); 38.7% (13 – 75%) 0.3 (0 – 1); 9.4% (0 – 33%) 3.9; 20.7%
6- Number; Percent of clusters with identified vehicle/source with:        
6a- Exclusion of ill person(s) 6.0 (2 – 13); 36.3% (25 – 46%) 0.5 (0 – 2); 8.3% (0 – 33%) 0.3 (0 – 1); 5.3% (0 – 16%) 2.3; 16.6%
6b- Remediation or closure 0.7 (0 – 2); 2.3% (0 – 7%) 0 (0 – 0); 0% (0 – 0%) 0.3 (0 – 1); 11.0% (0 – 33%) 0.3; 4.4%
6c- Educational campaign 6.7 (5 – 9); 56.3% (32 – 75%) 1.8 (0 – 3); 33.0% (0 – 75%) 0.3 (0 – 1); 11.0% (0 – 33%) 2.9; 33.4%
6d- Media/public messaging 1.7 (0 -3); 15.0% (0 – 38%) 0 (0 – 0); 0% (0 – 0%) 0 (0 – 0); 0% (0 – 0%) 0.6; 5.0%
6e- Regulatory action (recall, hold) 0.3 (0 – 1); 1.3% (0 – 4%) 0.3 (0 – 1); 1.8% (0 – 7%) 0.3 (0 – 1); 5.3% (0 – 16%) 0.3; 2.8%
7- Number; Percent of investigations with link to a common location where an on-site environmental health assessment was conducted 1 12.3 (5 – 30); 86.4% (62 – 100) 5.2 (2 – 13); 64.5% (25 – 100%) 4.1 (1 – 11); 82.4% (12 – 100%) 7.2; 77.8%
8- Number; Percent of investigations where food or environmental sample(s) were collected for testing 1 2.7 (0 – 14); 5.4% (0 – 23%) 3.3 (0 – 10); 27.7% (0 – 75%) 1.7 (0 – 7); 14.4% (0 – 33%) 2.6; 15.8%
9- Number; Percent of investigations where environmental health, agriculture, regulatory, or food safety program staff were contacted 16.4 (0 – 59); 67.4% (0 – 100%) 8.2 (0 – 28); 52.5% (0 – 100%) 5.6 (0 – 14); 62.6% (0 – 100%) 10.1; 60.8%
10- Number; Percent of outbreaks with NORS forms completed 1 36.8 (6 – 183);
96.0% (77 – 100%)
16.2 (2 – 64);
72.6% (13 – 100%)
9.7 (3 – 30); 87.7% (29 – 100%) 20.9; 85.4%

1 Minimum reporting requirement for FoodCORE Centers

2 Cumulative data for this metric were not reported from 3 or more centers 

This table was included as a supplemental data file in an article published in final form in the Journal of Public Health Management and Practice. 21(4):E18-26, July/August2015 (doi: 10.1097/PHH.0000000000000115). (http://journals.lww.com/jphmp/pages/default.aspx)

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