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Children’s Hospital of Philadelphia Researchers Unveil Key Mechanism in Immune System’s Fight Against Disease

Researchers at Children’s Hospital of Philadelphia (CHOP) and the Perelman School of Medicine at the University of Pennsylvania unlocked important new insights in how the immune system selects the right signals to alert T cells, a vital step in the prevention and treatment of serious illness. The findings were published in the journal Proceedings of the National Academy of Sciences (PNAS).

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Vaccine News & Notes — January 2025

A report estimates that vaccines were directly responsible for a 40% decrease in infant deaths over the last 50 years. Find out more. You'll also learn about the rates of long COVID and about antibiotic-resistant bacteria in Ukraine.

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