Penn Biologists Believe Migration is Behind Rise in Lyme Disease

University of Pennsylvania biologists, along with researchers from the New York Department of Health and State University of New York at Albany, have identified migrating populations of blacklegged ticks as the source of the spread of Lyme disease in areas in the United States historically free of the disease. In the study, published in the journal Evolution, the researchers used genetic and phylogeographic analysis to discern the migratory patterns of new tick populations in the Northeastern United States. The study was led by postdoctoral researcher Camilo E. Khatchikian, a member of the labor of Associate Professor of Biology Dustin Brisson, senior author of the study. The findings have implications regarding future strategies to control tick populations and reduce the spread of the disease.

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Arts & Sciences News

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Fourteen from Penn Arts & Sciences Receive Fulbrights for 2025-26 Academic Year

They will conduct research, pursue graduate degrees, or teach English in places including Thailand, Austria, Indonesia, Moldova, and many other places.

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Gwendolyn DuBois Shaw Named James and Nan Wagner Farquhar Professor of History of Art

Shaw’s main areas of research include portraiture and issues of representation in the art of the United States, Latin America, and the Caribbean, from the 1500s to the present day.

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Hanming Fang Named Inaugural Norman C. Grosman Professor of Economics

An applied microeconomist who integrates rigorous modeling with data analysis, Fang’s research within the field of public economics focuses on health insurance and healthcare markets.

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Xi Song Named Inaugural Schiffman Family Presidential Associate Professor of Sociology

Song’s research interests include social mobility, occupations, Asian Americans, population studies, and quantitative methodology.

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Julie Nelson Davis Named Paul F. Miller, Jr. and E. Warren Shafer Miller Professor of History of Art

Davis specializes in the arts and material cultures of 18th- and 19th-century Japan, with a focus on prints, paintings, and illustrated books.

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Justin Khoury Named Edmund J. and Louise W. Kahn Term Professor of Physics and Astronomy

Khoury’s research interests lie at the intersection of particle physics and cosmology.

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