Targeting Surveillance for Invasive Agricultural Pests and Diseases

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As a mathematical statistician Gericke Cook is involved in informing invasive species surveillance efforts by the USDA APHIS. She describes how surveillance systems are designed and the various drivers that may impinge on the process. She describes the importance of developing risk maps and illustrates the process using the European gypsy moth as an example. Initial field trials of gene drive mosquitos could likely benefit from the broad and deep experiences of invasive species managers when considering how the design of surveillance schemes intended to detect unwanted movement of the investigational organisms beyond the designated trial site.

0:00 Speaker introduction (David O’Brochta)
1:06 Opening remarks
1:34 USDA and Invasive Species Work
2:28 Formal trade pathways
3:42 Informal trade pathways
5:40 Which pathways are harder to regulate and prevent? Formal or Informal
7:08 Tools of the trade – Risk Assessment and Surveillance
8:29 Risk Analysis Framework
10:09 Hazard Identification – Know the agent.
11:28 Risk Assessment: Pathways and Exposure
14:40 What is a Pathway?
15:31 Pathway analysis – Pork virus example
21:17 How to use pathway analysis surveillance?
21:55 Surveillance design follows the type of goal
26:21 Surveillance: Goals vs Objectives
28:19 Core Design Factors
35:38 Design factors change by response goal
39:57 Example – European gypsy moth
40:20 Hazard Identification
42:49 USDA APHIS Management Goal
44:50 Approach: Risk maps to inform surveillance
46:44 Quantifying Human Assisted Spread
49:05 Surveillance Design
52:17 Results
53:01 Model validation
55:21 Propagule pressure
56:36 Summary
58:06 Questions & Answers
Category
Health
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