Vaccines for tetanus don't cause lockjaw. Vaccines for measles don't give you bumps all over your body. Most vaccines, except for those that used to work by act

Vaccines for tetanus don't cause lockjaw. Vaccines for measles don't give you bumps all over your body. Most vaccines, except for those that used to work by actually infecting you with a related virus, do not cause the same symptoms as the diseases they treat.