2017 Cumulative Metrics Data: Salmonella, Shiga Toxin-Producing Escherichia coli, Listeria, Shigella, and Campylobacter [SSL(SC)]

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Data Report Period: January 1, 2017 to December 31, 2017

 

Table showing year two of cumulative metrics data
Performance Metrics: (See metrics page for complete language and definitions) Salmonella Measures Mean (Range) STEC1 Measures Mean (Range) Listeria Measures Mean (Range) Shigella Measures2 Mean (Range) Campylobacter Measures2 Mean (Range)
1a. Total number of SSL(SC) isolates and isolate-yielding specimens submitted to or recovered at the Public Health Lab (PHL) 1,222 (52 – 4,116) 186 (6 – 1,058) 24 (0 – 68) 195 (5 – 761) 174 (1 – 687)
1b. Number of SSL(SC) primary isolates or isolate-yielding specimens 1,104 (49 – 3,807) 157 (6 – 967) 23 (0 – 66) 160 (5 – 761) 146 (1 – 497)
2a. Total number of preliminary positive STEC clinical specimens or samples received at PHL (regardless of if isolate-yielding or not) N/A 297 (9 – 1,923) N/A N/A N/A
2b. Total number and percent of isolate-yielding STEC clinical specimens or samples received at PHL N/A 164 (6 – 1,058); 59.2% (30.6% – 95.4%) N/A N/A N/A
3a. Percent of SSL(SC) primary isolates with PFGE testing at PHL 97.1% (68.0% – 100%) 87.9% (0% – 100%) 92.1% (0% – 100%) 62.8% (0% – 100%) 44.3% (0% – 100%)
3b. OPTIONAL: Percent of SSL(SC) primary isolates with WGS testing at PHL 67.4% (7.0% –100%) 77.0% (21.6% – 100%) 90.6% (50.0% – 100%) 22.9% (0% – 100%) 26.4% (0% – 97.0%)
4a. Median time from SSL(SC) isolate receipt (or recovery) at PHL or PFGE request to pattern upload to PulseNet 3.6 (1.0 – 9.0) days 3.1 (1.0 – 6.0) days 2.8 (1.0 – 5.0) days 3.6 (2.0 – 7.0) days 3.6 (0 – 8.1) days
4b. OPTIONAL: Median time from SSL(SC) isolate receipt (or recovery) at PHL or WGS request to sequence upload to PulseNet 25.3 (7.0 – 56.0) days 23.6 (7.0 – 70.0) days 13.4 (5.0 – 43.0) days No cumulative data available No cumulative data available
5a. Total number of SSL(SC) cases reported to epidemiology staff 1,305 (48 – 6,579) 274 (12 – 1,700) 23 (1 – 154) 377 (6 – 1,683) 1,729 (62 – 7,264)
5ai. OPTIONAL: Percent of SSL(SC) cases with isolates and isolate- yielding specimens submitted to PHL 86.5% (61.0% – 100%) 70.5% (36.4% – 97.6%) 81.0% (0% – 100%) 64.3% (4.1% – 92.5%) 27.8% (<1.0% – 89.0%)
5b. Total number of laboratory confirmed SSL(SC) cases reported to epidemiology staff 1,144 (35 – 5,743) 147 (3 – 1,148) 23 (0 – 148) 250 (4 – 1,112) 991 (27 – 5,124)
5c. Total number of probable SSL(SC) cases reported to epidemiology staff 151 (1 – 1,060) 47 (0 – 804) N/A 122 (0 – 647) 724 (21 – 2,719)
5d. Total number of suspect SSL(SC) cases reported to epidemiology staff 11 (0 – 125) 96 (1 – 510) N/A 5 (0 – 48) N/A
6a. Percent of SSL(SC) cases with attempted interview 87.4% (16.7% – 100%) 93.4% (74.2% – 100%) 95.2% (62.5% – 100%) 83.0% (31.6% – 100%) 67.0% (11.0% – 100%)
6ai. Percent of laboratory confirmed cases with attempted interview 86.7% (10.4% – 100%) 92.1% (11.8% – 100%) 95.2% (62.5% – 100%) 84.1% (37.2% – 100%) 67.0% (14.0% – 100%)
6aii. Percent of probable cases with attempted interview 87.7% (30.6% – 100%) 89.9% (11.8% – 100%) N/A 78.5% (3.2% – 100%) 66.6% (3.0% – 100%)
6aiii. Percent of suspect cases with attempted interview 69.5% (2.8% – 100%) 92.3% (60.6% – 100%) N/A No cumulative data available N/A
6b. Median time from SSL(SC) case report to initial interview attempt 2.6 (<1 – 7.0) days 2.1 (<1 – 10.0) days 2.4 (<1 – 16.0) days 2.2 (<1 – 8.0) days 3.4 (<1 – 11.5) days
6c. Percent of SSL(SC) cases with exposure history obtained 76.7% (13.3% – 92.6%) 80.1% (52.9% – 97.1%) 80.7% (25.0% – 100%) 80.9% (27.3% – 100%) 78.2% (32.7% – 100%)
6ci. OPTIONAL: Among SSL(SC) cases with an exposure history, percent with full shotgun or case exposure completed 55.0% (0% – 100%) 61.4% (0% – 100%) 84.5% (0% – 100%) 52.5% (0% – 100%) 50.6% (0% – 100%)
7. Number of SSL(SC) clusters 37 (1 – 167) 6 (0 – 38) 3 (0 – 21) 3 (0 – 12) 3 (0 – 9)
8a. OPTIONAL: Total number and percent of SSL(SC) clusters with routine interview of cases3 31 (1 – 158); 95.9% (69.0% – 100%) 8 (1 – 36); 99.5% (94.7% – 100%) 3 (1 – 14); 97.2% (66.7% – 100%) 3 (1 – 12); 95.5% (50.0% – 100%) 2 (0 – 8); 91.7% (0% – 100%)
8b.Total number and percent of SSL(SC) clusters where an analytic epidemiologic study was conducted3 8 (0 – 34); 39.9% (0% – 100%) 2 (0 – 8); 34.8% (0% – 100%) 2 (0 – 6); 45.0% (0% – 100%) 1 (0 – 2); 28.9% (0% – 100%) 1 (0 – 2); 25.1% (0% – 100%)
9. Total number and percent of SSL(SC) clusters with confirmed vehicle/source identified3 7 (0 – 19); 28.0% (0% – 100%) 1 (0 – 3); 24.3% (0% – 100%) 1 (0 – 2); 16.6% (0% – 100%) 1 (0 – 4); 20.8% (0% – 100%) 1 (0 – 1); 48.4% (0% – 100%)
10. Total number and percent of SSL(SC) clusters where food or environmental sample collected for testing3 3 (0 – 8); 11.4% (0% – 100%) 1 (0 – 2); 10.8% (0% – 50.0%) 1 (0 – 2); 36.3% (0% – 100%) 0 (0 – 1); 1.3% (0% – 20.0%) 1 (0 – 1); 34.8% (0% – 100%)
11. Total number and percent of SSL(SC) clusters where environmental health, agriculture, regulatory, or food safety program staff were contacted3 17 (0 – 167); 36.2% (0% – 100%) 5 (0 – 38); 52.3% (0% – 100%) 3 (0 – 21); 54.0% (0% – 100%) 1 (0 – 4); 34.8% (0% – 100%) 1 (0 – 3); 62.3% (0% – 100%)
12.Total number and percent of SSL(SC) outbreaks where NORS form completed 8 (0 – 32); 76.6% (0% – 100%) 2 (0 – 7); 67.5% (0% – 100%) 1 (0 – 2); 65.6% (0% – 100%) 2 (0 – 12); 75.6% (0% – 100%) 2 (0 – 8); 92.3% (0% – 100%)

All data are cumulative. Data are only reported when available from 5 or more sites.

  1. Shiga Toxin-producing Escherichia coli
  2. Reporting is optional for Shigella and Campylobacter
  3. This metric is calculated for only those sites that reported having clusters in Metric 7.

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Page last reviewed: June 4, 2019
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Foodborne, Waterborne, and Environmental Diseases (DFWED)