CDC awards $10 million for insect borne disease center

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UW-Madison graduate student Xia Lee hunts for ticks. (Photo by Susan Paskewitz.)

This story appeared originally at wisc.edu.

The Centers for Disease Control and Prevention (CDC) has awarded $10 million to a consortium of Midwestern universities to establish a new research and training program to stem the spread of disease carried by vectors like ticks and mosquitoes.

The Upper Midwestern Center of Excellence in Vector Borne Diseases, which will be led by University of Wisconsin–Madison medical entomologists Lyric Bartholomay and Susan Paskewitz, is aimed at elevating the understanding of vector borne diseases and improving public health response to diseases like Zika, West Nile and Lyme disease. Both researchers are members of the Global Health Institute Advisory Committee.

Part of a larger push by CDC to buttress the nation’s public health infrastructure to thwart vector borne diseases, including emerging diseases like Zika and West Nile, the new center will involve scientists – public health entomologists, epidemiologists, virologists and vector control experts – from UW–Madison, the University of Illinois, the University of Iowa, the University of Michigan and the Minnesota Department of Health.

A key objective of the new center, says Bartholomay, a professor of pathobiological sciences in the UW–Madison School of Veterinary Medicine, is to foster collaboration not only between university experts, but also with public health organizations at the local, state and federal levels. The goal, she explains, is to boost surveillance, prevention and response against the backdrop of a trend toward the emergence of new diseases and old diseases – like Zika and West Nile – in regions far from their places of origin.

The Midwest, according to Paskewitz and Bartholomay, is a “national hotspot for disease

The life stages of the blacklegged or deer tick. Top row: nymph, larvae. Bottom row: female, male. The deer tick is one of the most important disease vectors in Wisconsin and will be under the microscope as the new center for vector borne diseases takes shape at UW-Madison. (Photo by Darby Murphy.)

emergence and endemic transmission of vector borne disease.”

“There is a trend toward new emerging disease,” says Paskewitz, who chairs UW–Madison’s entomology department. “We’re seeing invasions of new species and pathogens. It is these new things moving around.”

  • Grow the cadre of public health entomologists. Increased opportunities for graduate training in the field, and a new certificate program that will equip students to better identify vectors, conduct disease surveillance and use the appropriate tools to reduce insect populations.
  • Create a network of scientists, mosquito control, and public health experts and officials at the local and state levels to better coordinate and facilitate surveillance and response to outbreaks of disease.
  • Conduct research to improve and devise new methods to predict disease emergence and outbreaks as well as to optimize surveillance networks and pathogen detection. Research will also focus on evaluating and improving methods for controlling disease vectors like mosquitoes and ticks, with the ultimate goal of reducing human risk and exposure.

“Our vision is to provide training at all levels, including the undergraduate, graduate and professional levels,” says Bartholomay. “We hope we can provide a conduit of really well trained people who will be positioned to respond to outbreaks.”

The certificate program and training opportunities will be available at all of the partner institutions.

Research, say Paskewitz and Bartholomay, will be essential, as changing environmental conditions allow vectors and the diseases they carry to exploit new geographic regions and susceptible human and animal populations. “We don’t want to look for only what we expect,” explains Bartholomay. “We want to look for new diseases and understand the threats they pose.”

UW-Madison, she adds, is well positioned to do this through existing faculty, staff and technical resources, such as next-generation gene sequencing technologies that can be used to identify viral and bacterial pathogens associated with ticks and mosquitoes.

The new center will also have an outreach component. The idea, say Bartholomay and Paskewitz, will be to give the public access to region-specific information about tick and mosquito activity, ways to accurately identify vectors, and information about the pathogens transmitted by ticks and mosquitoes.

By Terry Devitt, University Communicaitons/ January 26, 2017

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