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  • COVID-19 testing site for Penn students up and running

    Easy, quick, and safe testing is just one of several public health measures the University is undertaking to reduce the risk of spreading coronavirus on—and off—campus.
    A large room in Houston Hall set up with tables and medical personnel in PPE standing by to administer tests to four masked students waiting.
    Houston Hall’s Hall of Flags will be transformed for the next several weeks into a COVID-19 testing site for students returning to Philadelphia.

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  • Exposure to air pollution worsens Alzheimer’s disease
    Emissions from a power plant.

    Image: Pencho Chukov via Getty Images

    Exposure to air pollution worsens Alzheimer’s disease

    New research from Penn Medicine finds living in areas with high concentration of air pollution is associated with increased buildup of amyloid and tau proteins in the brains of Alzheimer’s patients, accelerating cognitive decline.

    Sep 9, 2025

    What stiffening lung tissue reveals about the earliest stages of fibrosis
    Donia Ahmed prepares tissue for imaging.

    Image: Courtesy of Penn Engineering Today

    What stiffening lung tissue reveals about the earliest stages of fibrosis

    A Penn Engineering team has targeted the lung’s extracellular matrix to better understand early fibrosis by triggering the formation of special chemical bonds that increase tissue stiffness in specific locations, mimicking the first physical changes that may lead to lung fibrosis.

    Sep 12, 2025