Welcome to Penn Vet’s new website. As we make finishing touches, you may experience brief delays in certain areas of the site. We appreciate your understanding as we work to ensure the best possible user experience.

    Research Area

    Scientists at the University of Pennsylvania’s School of Veterinary Medicine Shed New Light on the Evolution of Adaptive Immunity in Cold-Blooded Vertebrates

    [December 1, 2023; Philadelphia, PA] – Upon infection or immunization, all jawed vertebrate species generate proteins called antibodies that bind and neutralize pathogens. Strong and long-lasting antibody responses in warm-blooded…