COVID-19 vaccine syringes are seen in this June 21, 2021, file photo. (Mainichi/Koichiro Tezuka) OSAKA -- "Helper T cells," which function as the command center of immune systems, in people aged 65 ...
Researchers at the Medical University of Vienna have taken a closer look at a previously largely unknown component of the immune system: the protein molecule TRAT1 (T Cell Receptor Associated ...