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    Penn Today

    Blocking viruses’ exit strategy (link is external)

    The Marburg virus, a relative of the Ebola virus, causes a serious, often-fatal hemorrhagic fever. Transmitted by the African fruit bat and by direct human-to-human contact, Marburg virus disease currently…

    Amazing Cows Hold Promise in Pioneering Sustainable Food Systems of the Future

    In today’s climate change narrative, animal-based agriculture often endures criticism for its alleged contributions to the global problem. With some naysayers ranking the industry second only to the population explosion…

    Navigating cytokine storms (link is external)

    It’s a trajectory followed by many who experience a severe case of COVID-19: They feel poorly for a few days, improve over a day or two and then, a week…

    Coming together to solve the many scientific mysteries of COVID-19 (link is external)

    As the rumblings of a pandemic began to be felt at the beginning of the year, scientists at Penn started work to develop a vaccine and assess possible treatments. But the scope of…

    A critical enzyme for sperm formation could be a target for treating male infertility (link is external)

    While some of our body’s cells divide in a matter of hours, the process of making sperm, meiosis, alone takes about 14 days from start to finish. And fully six of those days…

    Answers to microbiome mysteries in the gills of rainbow trout (link is external)

    While many immunologists use mouse models to conduct their research, J. Oriol Sunyer of Penn’s School of Veterinary Medicine has made transformational scientific insights using a very different creature: rainbow…

    With a protein ‘delivery,’ parasite can suppress its host’s immune response (link is external)

    Toxoplasma gondii is best known as the parasite that may lurk in a cat’s litter box. Nearly a third of the world’s population is believed to live with a chronic…

    Fingerprints of an invisible, restricted horse racing therapy (link is external)

    A treatment called extracorporeal shockwave therapy (ESWT) is used in patients both human and equine to speed healing of injured tendons and ligaments. Using high-pressure sonic waves, ESWT is thought…