It is often observed that the chances of a person suffering from measles in his or her lifetime are low if he or she has suffered from the disease in their early childhood. Justify the statement
During the initial stage of infection, memory cells are generated in the body. The memory cells create data about the pathogen that causes measles in the human body for the first time and generate antibodies for them.
During the second stage of measles infection, the memory cells are activated that are formed during the first encounter these memory cells produce an antibody against the antigen that cause measles and kills the virus that causes measles.