an activated T Cell needs to find an activated B Cell and BOTH cells need to be able to recognize the same antigen! OK, wait a second. So are we seriously saying that two cells in your body mix gene fragments randomly, with hundreds of millions to billions of possible outcomes? And then a pathogen shows up and coincidentally both need to be activated independently and then they need to meet each other? And only then, in this absurdly specific and seemingly impossibly unlikely case will your immune response fully be activated? Well yes, although the way this works is a bit mind-bending and the
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