Vaccines are different from antibiotics in that they are designed to use your own immune system. Whereas an antibiotic targets a bacterial weakness which the ba

Vaccines are different from antibiotics in that they are designed to use your own immune system. Whereas an antibiotic targets a bacterial weakness which the bacteria can fix, the immune system watches for both specific invaders and possible variations of those invaders. Kurzgesagt made a good explainer video on this recently: https://www.youtube.com/watch?v=LmpuerlbJu0 https://www.youtube.com/watch?v=LmpuerlbJu0