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Mitreva receives award for parasite research

The American Society of Parasitologists’ Ward Medal honors an outstanding researcher with demonstrated leadership

by Shawn BallardAugust 13, 2026

Makedonka Mitreva holding the Ward MedalCourtesy of Makedonka Mitreva

WashU Medicine researcher Makedonka Mitreva, PhD, received the 2026 Henry Baldwin Ward Medal. The highest honor awarded by the American Society of Parasitologists, the Ward Medal is given annually to a mid-career member of the society who has achieved a position of leadership in independent parasitological research.

Mitreva, who is the Gordon R. Miller Professor of Medicine in the John T. Milliken Department of Medicine’s Division of Infectious Diseases, was recognized for her use of genetics and genomics to understand parasitic worms. Such worms infect over 1 billion people worldwide, particularly in low-income regions.

Leading up to the first successful genetic modification of the human hookworm, which Mitreva and her team reported earlier this year, Mitreva conducted more than two decades of worm genomics research at WashU Medicine. By comparing the complete genetic blueprints of dozens of worm species, including the hookworm, she and her collaborators revealed how these worms invade the body, survive inside it and resist treatment.

Mitreva has turned that foundational knowledge into practical tools, exemplified by the breadth of her research portfolio that includes promising new drug candidates that could work against multiple harmful worm species at once; genetic tests that reveal whether a treated patient has been reinfected or was never fully cured, and whether they are infected with resistant parasite; and an experimental approach that engineers worms to manufacture and deliver medicine inside the body, with applications ranging from treating chronic diseases to protecting hosts from exposure to toxins in remote settings.

Mitreva received the award at the annual meeting of the American Society of Parasitologists in Orlando, Fla., on July 29.

About WashU Medicine

WashU Medicine is a global leader in academic medicine, including biomedical research, patient care and educational programs with 3,100 faculty. Its National Institutes of Health (NIH) research funding portfolio is the second largest among U.S. medical schools and has grown 78% since 2016. Together with institutional investment, WashU Medicine commits over $1.6 billion annually to basic and clinical research innovation and training. Its faculty practice is consistently among the top five in the country, with more than 2,550 faculty physicians practicing at 200 locations. WashU Medicine physicians exclusively staff Barnes-Jewish and St. Louis Children’s hospitals — the academic hospitals of BJC HealthCare — and Siteman Cancer Center, a partnership between BJC HealthCare and WashU Medicine and the only National Cancer Institute-designated comprehensive cancer center in Missouri and southern Illinois. WashU Medicine physicians also treat patients at BJC’s community hospitals in our region. With a storied history in MD/PhD training, WashU Medicine recently dedicated $100 million to scholarships and curriculum renewal for its medical students, and is home to top-notch training programs in every medical subspecialty as well as physical therapy, occupational therapy, and audiology and communications sciences.

Shawn covers neurology, infectious diseases, molecular microbiology and adult psychiatry, among other topics. She holds bachelor's degrees in physics and math from the University of Arkansas and a PhD in English from the University of Illinois at Urbana-Champaign. Shawn joined WashU Medicine Marketing & Communications in 2025 after working as a science communicator for Arts & Sciences and McKelvey Engineering on the Danforth Campus for six years.