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United States Department of Agriculture

Agricultural Research Service

Research Project: Bionomics and Control of Rift Valley Fever Virus Vectors in Kenya

Location: Mosquito and Fly Research

2010 Annual Report

1a. Objectives (from AD-416)
1. Determine the animal and mosquito species that serve as the inter-epizootic maintenance hosts of Rift Valley fever virus (RVFV) virus. 2. Test candidate repellents for biting insects. 3. Test and evaluate efficacy of control treatments.

1b. Approach (from AD-416)
1. Determine mosquito blood meal sources for blood-fed females collected during an outbreak (previously collected) and during an inter-epidemic period. Test collected mosquitoes for the presence of RVFV using RT-PCR. Determine mosquito succession from the onset of rain events leading to flooding until flooded areas are dry. 2. Evaluate the efficacy of a candidate repellent for use on humans in terms of how well it protects against insect bites and how well it would be received and actually used in an emergency distribution situation. 3. Evaluate the efficacy of chemical mosquito control that is applied prior to rain events.

3. Progress Report
This research relates in inhouse objective 1: Discover and evaluate new toxicants and biological control agents for control of biting Nematocera. This is a new specific cooperative agreement between ARS scientists in Gainesville, FL, and the Kenya Medical Research Institute, Nairobi, Kenya. The project will attempt to better define the animal and mosquito species which serve as the inter-epizootic maintenance hosts of Rift Valley fever virus in Kenya, and test and evaluate candidate repellents and control treatments for vectors of Rift Valley fever. Research for this project is pending approval of funds from the Department of State. Progress was monitored via e-mails, meetings and a site visit to discuss the research.

4. Accomplishments

Last Modified: 10/16/2017
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