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Mosquito and tick-borne diseases are increasing in the Pacific Southwest and remain a serious public health threat. For the last five years, the , or PacVec, led by the University of California, Davis, School of Veterinary Medicine, has been working with other universities and partners in the Southwest to find better ways to manage and prevent these diseases. The Centers for Disease Control and Prevention recently awarded a new 5-year, $10 million grant for �°������ϲ���Ļ��Ϣ Davis to continue its work with six other research universities in research, training, and outreach on vectors, which are organisms that transmit diseases from an animal to a human or another animal. 

“Vector-borne diseases are emerging and spreading at a disproportionate rate relative to other infectious diseases,” said PacVec Director Chris Barker. “These diseases affect millions of people and include Lyme disease, Rocky Mountain spotted fever, West Nile virus disease, and St. Louis encephalitis in the continental United States, and dengue in the Pacific Islands. Our region is also a key hub for global travel and trade, which increases the potential for new vectors and diseases to become established here. This grant will help us find the best methods to stop these diseases while training the next generation of public-health scientists to lead us into the future.”

Over the past five years, the PacVec center has researched technologies for surveillance and control of vector-borne diseases and conducted a wide range of studies to understand and predict vector-borne disease outbreaks. The center’s researchers have used viral genetics to understand how mosquito-borne St. Louis encephalitis virus spread across the southwestern U.S. since its return to the region in 2015. They have studied the ecology and risks of tick-borne diseases in several areas, including Lyme disease in Northern California and Rocky Mountain spotted fever in Southern California and Arizona. The center has also conducted several studies on the effects of climate change and wildfires on vector-borne diseases.

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Viruses spread by mosquitoes continue to cause local but intense outbreaks that are difficult to predict and control. Invasive mosquitoes continue to spread in California, and new pathogens transmitted by both ticks and mosquitoes are also emerging. The new grant funds will allow PacVec to evaluate new and improved methods for combatting these vectors and the diseases they carry. PacVec will also train many students, public-health scientists and vector-control professionals in the knowledge and skills required to monitor and prevent these diseases.

The center’s researchers based at �°������ϲ���Ļ��Ϣ Davis include Barker and epidemiologist Janet Foley in the School of Veterinary Medicine, insect physiologist Walter Leal in the College of Biological Sciences, and entomologists Geoffrey Attardo and Anthony Cornel in the College of Agricultural and Environmental Sciences. Each of these investigators will lead research projects aimed at the prevention of vector-borne diseases.

Seven academic institutions that are regional leaders in public health research and training are part of PacVec, including �°������ϲ���Ļ��Ϣ Davis, �°������ϲ���Ļ��Ϣ Riverside, University of Arizona, Translational Genomics Research Institute, University of Utah, San Francisco State University, and University of the Pacific. Each of these institutions works closely with public health and vector control agencies in the Pacific Southwest region.