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Research and Development of Methodology for Testing Chemical Inactivation of High Consequence Viral Disease Agents

Investigators
Rodriguez, Luis
Institutions
USDA - Agricultural Research Service
Start date
2008
End date
2010
Objective
  1. Develop disinfectant efficacy test methods that will be acceptable to USDA and EPA for the purpose of conducting research studies.
  2. Conduct research studies to determine the effectiveness of selected antimicrobial pesticides for inactivating priority FAD agents on various surfaces.
  3. Test the inactivation of less virulent agents by antimicrobial pesticides to determine their suitability for use as surrogates for FAD agents in disinfectant efficacy testing.
  4. 4. FY 2009 Amendment includes additional goals: Develop advanced disinfectant efficacy test methods that will be acceptable to USDA and EPA for the purpose of conducting research studies.
  5. 5. Conduct research studies to determine the influence that different test conditions will have on the effectiveness of selected antimicrobial pesticides for inactivating FAD agents on various surfaces.
  6. 6. Determine the disinfectant application parameters under which optimal effectiveness of selected disinfectants against priority FAD agents can be achieved.
  7. 7. Test optimized disinfectant methodologies and optimized application parameters under conditions similar to those encountered in the field.
More information
APPROACH: Testing of antimicrobial disinfectant chemicals and products to inactivate FAD agents will be accomplished through:
1. Implementation of a quality assurance plan,

2. Literature review of current decontamination practices and selection of decontamination technologies,

3. Development and selection of standardized laboratory techniques to measure the efficacy decontamination products.

Laboratory studies to determine the efficacy of selected decontamination products against FAD agents conducted in three phases, differentiated by priority. Testing and evaluation of potential surrogates for FAD agents.

FY 2009 amendment
Advanced Study Plan will be accomplished through: 4. Evaluation of efficacy testing inclusive of test design, statistical analysis, use-dilutions, application methods, data tables, observations and conclusions. Candidate disinfectants will be applie on inoculated environmental surfaces and tested for efficacy against selected FAD agents inclusive of Foot-and-Mouth Disease virus, Classical Swine Fever virus and African Swine Fever virus.

5. Candidate disinfectants will be applied on inoculated environmental surfaces and tested for efficacy against select FAD agents inclusive of Avian Influenza virus, Rift Valley Fever virus and Newcastle Disease virus.

6. Continuation of disinfectant efficacy testing of selected disinfectant candidates against select FAD agents inclusive of Rinderpest virus, Venezuelan Equine Encephalitis virus, Japanese Encephalitis virus, African Horse Sickness virus, and Akabane Virus.

7. Candidate disinfectants will be applied on inoculated environmental surfaces and tested for efficacy against select FAD agents against surrogate pathogens that could potentially be used in place of FAD agents. USDA, PIADC will conduct basic and applied research under BSL-3 conditions to determine the effectiveness of antimicrobial chemical/products against FAD agents. EPA will provide quality control requirements and expertise in antimicrobial chemical/products analysis.
Funding Source
Agricultural Research Service
Project number
1940-32000-052-10R
Accession number
414776
Categories
Viruses and Prions
Preventive Food Safety Systems
Bacterial Pathogens