Immunizations in Children
According to World Health Organization (WHO), “Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine” (World Health Organization). This definition of WHO can be further elaborated by saying that the concept of immunization works by stimulation of the immune system. The immune system performs the function of protecting the body against disease causing agents. In its healthy condition, the body’s immune system has the ability to recognize any invading microbe. The leucocytes identify the microbes and produce antibodies against them. These antibodies are capable ...