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

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