Carrie Rigdon, PhD, MPH

1
Recalls Tracebacks

• Carrie Rigdon, PhD, MPH
• Dairy and Food Inspection Division
• Rapid Response Team Project Planner

2
Dairy and Food Inspection Division

• Dairy farms, processors, transport vehicles
• Food processing, grocery stores
• Meat processing
• Feed mills

3
(No Transcript)
4
Minnesota Departments of Health, Agriculture
Laboratory/Program Buildings
5
Foodborne Disease Detection Timeline
6
Foodborne Disease Detection Timeline
Human disease surveillance
Food Monitoring Programs
7
Surveillance Systems
Human disease surveillance
Food Monitoring Programs

• Pathogen-specific human disease surveillance
• Illness notification / complaint systems
• Syndromic surveillance

• Food pathogen surveillance
• Animal disease surveillance
• Industry surveillance
• Consumer complaints

8
Statutory Authority
9
Statutory Authority
10
Product Tracing

• Key Concepts
• Trace-back is only as good as the epidemiology
• The more specific, the better the results
• Oftentimes, solving an outbreak requires good
  evidence from both the epi and the trace-back

11
Epidemiology meets Trace-back
Epidemiology
Epi Trace-back
12
(No Transcript)
13
Salmonella Saintpaul Patron Cases Associated with
the Good Earth Restaurant by Date of Isolate
Receipt in MDH Laboratory, June 2008
7
6
5
Number of Cases
4
3
2
1
23
24
25
26
27
28
29
30
1
2
3
4
22
June Date of Isolate Receipt
14
Salmonella Saintpaul Patron Cases Associated with
the Good Earth Restaurant by Date of Isolate
Receipt in MDH Laboratory, June 2008
7
6
5
Number of Cases
4
3
2
1
23
24
25
26
27
28
29
30
1
2
3
4
22
June Date of Isolate Receipt
15
Salmonella Saintpaul Investigation

• Illustrates
• Combination of rapid epidemiological and
  traceback investigation
• Identify source as jalapeño peppers
• Trace peppers back to Texas
• Joint communications with FDA and CDC

16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
20
Salmonella Typhimurium Investigation

• Illustrates
• Combination of rapid epidemiological, traceback
  and laboratory identification
• Identify source as peanut butter
• MDA Lab finds Salmonella in King Nut
• Joint communications with FDA and CDC

21
(No Transcript)
22
Institutional link, Implication of PB
1st 9 cases in MN
23
FDA Investigation
24
Salmonella OutbreakProducts Tested
25
64,000 Question
Will the food isolate match the outbreak strain?
26
Sample Results

• Salmonella Typhimurium
• 5 lb container of King Nut Creamy Peanut Butter
• Genetic fingerprint matches nationwide outbreak
• 35 lb container of Parnells Pride Creamy Peanut
  Butter
• Salmonella Tennessee
• 5 lb container of King Nut Creamy Peanut Butter
• Returned from Nursing Home A

27
(No Transcript)
28
Questions?

• Please visit our website
• www.mda.state.mn.us
• Click ? Food From Farm to Table
• Food Safety
• Carrie.Rigdon_at_state.mn.us
• 651-201-6453