Laboratory Staff

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Tara Roth, Ph.D.
Vector Ecologist

About Tara

Tara Roth has a B.S. in Evolution, Ecology and Biodiversity from the University of California Davis, an M.S. in Ecology and Systematics from San Francisco State University, and a PhD from the University of California Davis in Integrative Pathobiology with a designated emphasis in the Biology of Vector Borne Diseases. Before joining the San Mateo Vector Control District her research focused on the ecology and epidemiology of tularemia in the California Central Valley.

Vector Ecologist Warren Macdonald holds a specimen while sitting in the laboratory wearing a lab coat.
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Warren Macdonald, M.Sc.
Vector Ecologist

About Warren:

Warren Macdonald joined the San Mateo County Mosquito and Vector Control District in July of 2013. He is working primarily on molecular testing of disease vectors through quantitative real-time polymerase chain reaction (qRT-PCR). These tests are an integral part of the disease surveillance program due to their ability to detect West Nile virus in birds and mosquitoes as well as Lyme disease in ticks.  Warren is also responsible for maintenance of a laboratory colony of Culex  pipiens mosquitoes for use in resistance and efficacy tests.

Vector Ecologist Tina Sebay walks through a green grass dragging a large white flag.
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Cheryl Tina Sebay
Vector Ecologist

About Tina:

Tina has worked in vector control for 15 years, starting as a seasonal employee at Contra Costa and Northwest Mosquito and Vector Control Districts before transitioning to permanent positions at San Gabriel Valley Mosquito and Vector Control District and Alameda County Mosquito Abatement District. She has worked at San Mateo County Mosquito and Vector Control District for 10 years, first as a Vector Control Technician and then in the District laboratory as a Vector Ecologist.

Vector Ecologist Theresa Shelton holds a chicken.
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Theresa Shelton
Laboratory Technician

About Theresa:

Theresa has been with the District since 2008.  She works with the laboratory on surveillance of invasive Aedes aegypti mosquitoes, West Nile Virus surveillance, mosquito population monitoring and identification, general arthropod identification, surveillance of tick-borne diseases, and data analysis. 

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