2016 Cumulative Metrics Data: Salmonella, Shiga Toxin-Producing Escherichia coli, Listeria, Shigella, and Campylobacter [SSL(SC)]

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Data Report Period: January 1, 2016 to December 31, 2016

Table showing year one 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) 1,213 (84 – 5,498) 160 (15 – 375) 25 (2 – 106) 290 (0 – 1,193) 157 (0 – 492)
1b. Number of SSL(SC) primary isolates/isolate-yielding specimens 1,115 (84 – 5,043) 124 (11 – 352) 21 (1 – 57) 258 (0 – 1,170) 141 (0 – 479)
2a. Total number of preliminary positive STEC clinical specimens or samples received at PHL (regardless of if isolate–yielding or not) N/A 273 (15 – 895) N/A N/A  N/A
2b. Total number and percent of isolate yielding STEC clinical specimens or samples received at PHL N/A 146 (11 – 375); 54.1% (32.3% – 100%) N/A N/A  N/A
3a. Percent of SSL(SC) primary isolates with PFGE testing at PHL 98.6% (71.4% – 100%) 97.4% (69.0% – 100%) 100% (100% – 100%) 60.5% (4.9% – 100%) 45.1% (0% – 100%)
3b. OPTIONAL: Percent of SSL(SC) primary isolates with WGS testing at PHL 17.8% (<1.0% – 38.5%) 80.0% (66.7% – 100%) 87.2% (20.0% – 100%) 20.9% (0% – 88.0%) 48.4% (0% – 100%)
4a. Median time from SSL(SC) isolate receipt (or recovery) at PHL or PFGE request to pattern upload to PulseNet 3.5 (2.0 – 6.9) days 3.1 (2.0 – 7.0) days 3.0 (1.0 – 5.0) days 8.8 (1.0 – 63.0) days 4.1 (2.0 – 7.9) days
4b. OPTIONAL: Median time from SSL(SC) isolate receipt (or recovery) at PHL or WGS request to sequence upload to PulseNet 22.2 (9.0 – 39.0) days 11.8 (6.0 – 21.0) days 7.7 (6.0 – 9.0) days  N/A   N/A
5a. Total number of SSL(SC) cases reported to epidemiology staff 1,401 (68 – 6,316) 239 (12 – 998) 15 (2 – 49) 747 (10 – 4,351) 1,447 (118 – 4,642)
5ai. OPTIONAL: Percent of SSL(SC) cases with isolates and isolate–yielding specimens submitted to PHL 90.7% (72.0% – 100%) 75.9% (31.5% – 100%) 93.3% (50.0% – 100%) 64.7% (2.0% – 100%) 44.9% (<1.0% – 94.0%)
5b. Total number of laboratory confirmed SSL(SC) cases reported to epidemiology staff 1,278 (68 – 5,449) 109 (11 – 258) 15 (2 – 49) 576 (7 – 3,574) 904 (104 – 3,012)
5c. Total number of probable SSL(SC) cases reported to epidemiology staff 47 (0 – 357) 55 (0 – 740)  N/A 116 (0 – 777) 367 (14 – 1,630)
5d. Total number of suspect SSL(SC) cases reported to epidemiology staff 108 (0 – 672) 83 (0 – 469)  N/A 83 (0 – 238) 179 (0 – 1,599)
6a. Percent of SSL(SC) cases with attempted interview 90.0% (59.4% – 100%) 91.6% (66.0% – 100%) 95.6% (65.1% – 100%) 86.6% (57.7% – 100%) 67.5% (15.0% – 95.1%)
6ai. Percent of laboratory confirmed cases with attempted interview 89.9% (59.9% – 100%) 89.4% (20.8% – 100%) 95.5% (62.8% – 100%) 84.3% (57.5% – 100%) 65.9% (18.7% – 95.7%)
6aii. Percent of probable cases with attempted interview 84.5% (2.8% – 100%) 85.1% (5.5% – 100%)  N/A 72.7% (14.7% – 100%) 56.8% (2.1% – 93.7%)
6aiii. Percent of suspect cases with attempted interview 81.5% (8.5% – 100%) 82.5% (0% – 100%)  N/A 79.2% (21.3% – 100%) N/A
6b. Median time from SSL(SC) case report to initial interview attempt 3.0 (0 – 15.7) days 3.1 (0 – 26.9) days 3.7 (0 – 32.0) days 2.1 (0 – 10.0) days 3.6 (1.0 – 8.4) days
6c. Percent of SSL(SC) cases with exposure history obtained 80.1% (65.0% – 92.8%) 83.6% (67.0% – 100%) 74.4% (9.5% – 100%) 84.6% (61.5% – 99.8%) 67.5% (0% – 81.4%)
6ci. OPTIONAL: Among SSL(SC) cases with an exposure history, percent with full shotgun or case exposure completed 45.2% (1.1% – 99.1%) 32.6% (<1.0% – 99.0%) 91.8% (26.5% – 100%)  N/A  N/A
7. Numbers of SSL(SC) clusters 43 (5 – 144) 7 (0 – 39) 3 (0 – 22) 10 (0 – 41) 5 (0 – 39)
8a. OPTIONAL: Total number and percent of SSL(SC) clusters with routine interview of cases3 36 (5 – 124); 97.3% (86.1% – 100%) 6 (1 – 35); 99.1% (89.7% – 100%) 4 (1 – 13); 91.8% (59.1% – 100%) 12 (0 – 39); 84.1% (0% – 100%) 8 (0 – 34); 77.4% (0% – 100%)
8b. Total number and percent of SSL(SC) clusters where an analytic epidemiologic study was conducted3 7 (0 – 26); 32.9% (0% – 100%) 1 (0 – 3); 44.6% (0% – 100%) 1 (0 – 6); 25.0% (0% – 100%) <1 (0 – 1); 16.7% (0% – 100%) 0 (0 – 0); 0% (0% – 0%)
9. Total number and percent of SSL(SC) clusters with confirmed vehicle/source identified3 7 (1– 20); 25.5% (3.0% – 67.0%) 1 (0 – 4); 33.9% (0% – 100%) <1 (0 – 1); 21.6% (0% – 100%) <1 (0 – 1); 4.0% (0% – 14.3%) <1 (0 – 1); 30.0% (0% – 100%)
10. Total number and percent of SSL(SC) clusters where food or environmental sample collected for testing3 3 (0 – 13); 17.7% (0% – 100%) 1 (0 – 3); 34.7% (0% – 100%) 1 (0 – 1); 20.4% (0% – 100%) <1 (0 – 1); 2.0% (0% – 14.3%) 0 (0 – 0); 0% (0% – 0%)
11. Total number and percent of SSL(SC) clusters where environmental health, agriculture, regulatory, or food safety program staff were contacted3 19 (1 – 144); 47.8% (1.0% – 100%) 5 (0 – 39); 64.7% (0% – 100%) 4 (0 – 22); 53.3% (0% – 100%) 5 (0 – 29); 37.8% (0% – 100%) 1 (0 – 4); 60.0% (0% – 100%)
12. Total number and percent of SSL(SC) outbreaks where NORS form completed 7 (0 – 20); 62.8% (0% – 100%) 1 (0 – 4); 55.4% (0% – 100%) <1 (0 – 1); 8.9% (0% – 100%) 9 (0 – 41); 66.7% (0% – 100%) 1(0 – 4); 33.3% (0% – 100%)

All data is cumulative. Data is 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.

Download Data

OutbreakNet Enhanced 2016 Data [XLS – 16 KB]

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