How the immune system remembers viruses: Memory T cells are formed earlier than previously thought – Medical Xpress

For a person to acquire immunity to a disease, T cells must develop into memory cells after contact with the pathogen. Until now, the number of cells that do this was believed to depend above all on the magnitude of the initial immune response. A team of researchers at the Technical University of Munich (TUM) has now called this into question.
When a virus enters the body, it is picked up by certain cells of the immune system. They transport the virus to the lymph nodes where they present its fragments,…

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