During this time, you think that vaccination applies to infants and children only. Who would have thought that adults would still need this protective injection? In certain circumstances, adults require repeat vaccine injections every few periods. By receiving the vaccine, you not only protect yourself from disease but also help prevent its spread. Mandatory Vaccinations Vaccination is the process of injecting a disease-causing microorganism that has been weakened or killed into your body, or injecting a laboratory-made protein similar to that microorganism. Vaccination aims to improve the immune system. So that when you contract the germ of an actual disease, the body is ready to block it, so it does not develop into a disease. In Indonesia, there are five types of vaccines that must be accepted, namely hepatitis B, BCG, Polio, MMR, and DTP. But then, the Indonesian Ministry of Health replaced the MMR vaccine with the MR vaccine. If you haven't received it as a child, you m...