Surveillance Part 1 The Surveillance Plan Adapted from the FAD PReP NAHEMS Guidelines Surveillance Epidemiology and Tracing 2011 Surveillance Intensive form of data recording Gathering documenting and analyzing ID: 511629
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Slide1
Surveillance, Epidemiology, and Tracing
Surveillance Part 1: The Surveillance Plan
Adapted from the FAD
PReP
/NAHEMS Guidelines: Surveillance, Epidemiology, and Tracing (2011).Slide2
Surveillance
Intensive form of data recordingGathering, documenting, and analyzingSurveillance systemsRoutine surveillanceAssesses level of endemic disease in populations
Looks for presence of FAD agents
USDA APHIS and CFSPH
FAD
PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
What is Surveillance?Slide3
During an FAD outbreak, surveillance plays a key role in:
Identifying the infectious agentDetermining the scope of the outbreakAssessing the effectiveness of eradication and control
efforts
Demonstrating a return to disease
free status
USDA APHIS and CFSPHFAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1Role of SurveillanceSlide4
The Surveillance Plan
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1Slide5
Purpose, rationale, objectives
StakeholdersSampling considerationsPopulation, methods, diagnostic testingSampling techniquesPlans for data analysisImplementation, budgeting, and evaluation plans
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Surveillance PlanSlide6
Disease description
Surveillance objectivesStakeholders and responsible partiesPopulation descriptionCase definitionsData sourcesSampling methodsDiagnostic tests
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Surveillance Plan ElementsSlide7
Disease Description
Etiologic agentGeographic distributionClinical signsPathological findings
Available laboratory tests
Epidemiology
Economic impactMethods of control
USDA APHIS and CFSPHFAD PReP
/NAHEMS Guidelines: Surveillance, Epi
, and Tracing - Surveillance Part 1Slide8
USDA APHIS and CFSPH
FAD
PReP
/NAHEMS Guidelines: Surveillance,
Epi
, and Tracing - Surveillance Part 1Surveillance Objectives
Goals to be achieved through the use of the surveillance system Slide9
Stakeholders should be clearly identified
May be included in surveillance planning and data collection activitiesMay not specifically appear in the ICSAnyone participating in surveillance activities must receive training
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
StakeholdersSlide10
S
tudy populationSubset of the target populationContains animals at risk of infectionMore than one may be identified
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Population DescriptionSlide11
Case Definition Components
General disease and pathogen information
E
tiologic
agentDistributionClinical signsI
ncubation periodDifferential diagnosisTransmission and reservoirEpidemiologyLaboratory criteriaReporting criteria
Control proceduresSurveillance procedures
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1Slide12
Suspect case
Animal showing clinical signs compatible with FADPresumptive positive caseAnimal with clinical signs consistent with FAD and positive test resultsConfirmed positive caseAgent has been isolated and identified using approved tests
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Case DefinitionsSlide13
Data Sources
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1Slide14
May be the first to notice sick animals
Maintain livestock records and production dataType, format and quality of farm data may vary from farm to farmConfidentiality issues
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Livestock ProducersSlide15
Often have early contact with sick animals
Routine veterinary activitiesCalls to examine ill animalsMedical records may be availableConfidential documents
Type, format, quality of information may vary
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Veterinarians Slide16
May be a source of data
Number and distribution of animals owned by membersMay also help disseminate FAD information from a response effort
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Livestock OrganizationsSlide17
All animals undergo ante mortem and post mortem inspection
Results recorded only for animals requiring disposition by FSISAmount of information recorded variesMay provide information in an FAD outbreak
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Slaughter PlantsSlide18
Potential data sources for wildlife
Ground surveysLocal reportsLive animal captureMay be difficult Consider wildlife density, movement patterns, and behavior
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Wildlife Data Slide19
May be used to periodically assess the health status of a population
Involves repeated sampling of a representative group of high risk animals ConsiderationsHerd/site selection and animal typeFrequency of samplingTesting protocol
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Sentinel SurveillanceSlide20
Auction/market records
Disease reporting systemsDisease control programsTargeted testing/screeningPost mortem diagnostic specimen collection
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Other Data SourcesSlide21
FAD PReP/NAHEMS Guidelines & SOP: Surveillance, Epidemiology, and Tracing (2011)
http://www.aphis.usda.gov/animal_health/emergency_management/
Surveillance, Epidemiology, and Tracing web-based training module
http://naherc.sws.iastate.edu/
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
For More InformationSlide22
Authors
(CFSPH)
Kerry
Leedom
Larson, DVM, MPH, PhD, DACVPM
Glenda Dvorak, DVM, MPH, DACVPMJanice
Mogan, DVM
Courtney Blake, BA
Reviewers (
USDA APHIS VS)
Dr. R. Alex
Thompson
Dr
. Lowell
Andersen
Dr. Steve
Goff
Dr. Fred
Bourgeois
USDA APHIS and CFSPH
FAD PReP/NAHEMS Guidelines: Surveillance, Epi, and Tracing - Surveillance Part 1
Guidelines ContentSlide23
Acknowledgments
Development of this presentation was by the Center for Food Security and Public Health at Iowa State University through funding from
the
USDA APHIS
Veterinary Services
PPT Authors: Patricia
Futoma
, Veterinary
Student; Kerry
Leedom Larson, DVM, MPH, PhD,
DACVPM
Reviewer: Janice Mogan, DVM