Vaccines are products that are given by injection, orally, or spray to produce immunity against certain diseases. However, many people do not understand what is actually contained in the vaccine. At the time of birth, the baby has immunity against certain germs through antibodies or immune substances obtained from the mother while the baby is still in the womb. Some time after birth, these immune substances will disappear naturally because the baby is not in the mother's womb. Therefore, to get protection against certain bacteria or viruses that can cause disease, vaccines need to be given. Vaccines are antigens that contain bacteria, poisons, or even viruses that cause "living" or deadly diseases. This life or death vaccine works to stimulate the human immune system, so the body thinks that it is being attacked by active germs. This process is then responded by the body to produce antibodies that are silent in the body and will protect the body in the future. This pr...