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Introduction to Surveillance

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Exotic Disease Response Training Introduction to Surveillance – PowerPoint PPT presentation

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Title: Introduction to Surveillance


1
Exotic Disease Response Training
  • Introduction to Surveillance

2
Session Outcome
  • At the end of this session, you should be able
    to
  • describe what Surveillance is
  • name the roles in the Surveillance Group
  • describe, at a high level, what those roles do,
    and
  • explain where Surveillance fits into the Exotic
    Disease Response process

3
Training Agenda
  • During this session we will cover
  1. What is Surveillance?
  2. Exotic Disease Response Roles Surveillance
    Group
  3. What tasks they perform
  4. Where Surveillance fits in the Exotic Disease
    Response process
  5. New Principles and Concepts

4
What is Surveillance?
  • A system or measurement technique to gain
    knowledge about a population by collection,
    analysis, and interpretation of data with a view
    to the early detection of cases of disease or
    changes in the health status of the population.
    The goal of surveillance is directed action in
    the treatment or prevention of the condition.
    (Cameron 1999)

5
What is Surveillance?
  • A deliberate attempt to gain knowledge about a
    population by collection and interpretation of
    data with a view to the early detection of cases
    of disease or changes in the health status of the
    population. It is essentially an interventionist
    exercise compared to monitoring which is
    passive. (Kennedy 1990)

6
What is Surveillance?
  • The continuous investigation of a given
    population to detect the occurrence of disease
    for control purposes, which may involve testing a
    part of the population. (OIE 2003, Chapter 1.3.6)

7
What is Surveillance?
  • A systematic programme of inspection and
    examination of animals or things to determine the
    presence or absence of an emergency disease or
    organism

8
Surveillance v Organism Management
Organism Management Activities to prevent an
unwanted organism infecting new hosts.
Examples host depopulation and disposal,
vaccination, and decontamination of infected
places.
  • Surveillance Find it
  • Organism Management Kill it

9
Surveillance Policy and Objectives
  • Set by Biosecurity New Zealand
  • Defines the course of action for the Surveillance
    Group to attain specified objectives
  • Dependent on the nature of the response (control
    vs. eradication)
  • Likely to change as the response progresses

10
Surveillance Policy - content
  • Surveillance Policy includes the following
  • Initial diagnosis
  • Surveillance of at-risk places
  • Report case management
  • Zone surveillance
  • Other surveillance activity

11
Surveillance Response roles
12
Surveillance Group Public Report
  • Receive and record calls from the public
  • Evaluate if surveillance is required

13
Surveillance Group Field Team
  • Prioritises and coordinates visits
  • Field Vet collects information, conducts visual
    observations for clinical signs, and collects
    samples
  • Suspect animals examined
  • Decision about immediate report of clinical
    disease
  • Documents all visit activities and submits samples

14
Surveillance Group Investigations
  • Investigations Coordinator decides whether status
    of a place should be updated to IP/SP,
    coordinates investigation
  • Field Investigator Vet investigates suspected
    case of unwanted organism, documents activities
    and submits samples
  • Tracing Evaluation Officer evaluates tracing
    results

15
Surveillance Group Tracing
  • Investigates and records all movements that may
    have spread a disease to or from an infected
    place
  • Includes movement of animals, animal products,
    people, vehicles, machinery

16
Surveillance Group Administration
  • Provides visit documents for field/investigation
    teams
  • Records results from each of the other areas
  • Receive samples and packages to lab

17
Surveillance Group GIS
  • Property casing
  • Updates the maps used during response
  • Provide information for trap deployment

18
Exotic Disease Response Process

19
New Principles and Concepts
  • Surveillance and Organism Management
  • Scalability
  • Organisational chart and roles
  • Role location not prescribed
  • Inclusion of Tracing
  • Sample reception role and process
  • Specified roles for Administration
  • IRS and the Knowledge Base
  • Maps, visit documents, etc
  • Escalation process for decision making

20
Session Summary
  • During this session we covered
  1. What is Surveillance?
  2. Exotic Disease Response Roles Surveillance
    Group
  3. What tasks they perform
  4. Where Surveillance fits in the Exotic Disease
    Response process
  5. New Principles and Concepts
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