Many of our communities are trying to stay immunized against the virus. Still, no one knows the meaning of immunization or how to get fully immunized against the virus. Immunization, sometimes known as vaccination, is the procedure by which a person’s nervous system is strengthened against an infectious pathogen. Many viruses got introduced into this universe. Scientists had vaccinations for some even before they got into the universe. However, there were some deadly viruses, about which people had no idea where they had originated and how to control them. For these kinds of viruses, they have to track the record of the pathogen on the individual. Through observations and evaluations, they are then capable of developing a vaccine.