Vaccines, Immunology and Clinical Trials

Vaccines and Immunization

When a Vaccine is injected into the body is called as Vaccination. The reaction of the body after administration of vaccine is Immunization. The vaccine stimulates the immune system, recognizes the diseases, protects the body from infection and prevents the spread of diseases to others. Actually, the Vaccination and Immunization meanings are not same but they are often used interchangeably.