A vaccine is a medical preparation given to provide immunity from a disease. Vaccines use a variety of different substances ranging from dead microorganisms to genetically engineered antigens to defend the body against potentially harmful microorganisms. Effective vaccines change the … Read more
What is Active Immunization? Immunization is the process whereby a person naturally acquires or is induced to acquire immunity or resistance to an infectious disease. An individual can acquire such immunity either passively or actively and thus immunization may be active … Read more
Immunization is the process whereby a person naturally acquires or is induced to acquire immunity or resistance to an infectious disease. An individual can acquire such immunity either passively or actively and thus immunization may be active or passive immunization. Passive … Read more