As a general introduction I quite like this one: https://shop-us.kurzgesagt.org/products/immune-a-journey-into-the-mysterious-system-that-keeps-you-alive https:

As a general introduction I quite like this one: https://shop-us.kurzgesagt.org/products/immune-a-journey-into-the-mysterious-system-that-keeps-you-alive https://shop-us.kurzgesagt.org/products/immune-a-journey-int...