Question

What is vaccination? What is the role of vaccines in body? Give two examples when immediate response is needed by body to defend it, name this type of immunization.

Answer 1

Vaccination:A substance used to stimulate the production of antibodies and provide immunity against one or several diseases prepared from the causitive agent of a diseases.

Role of vaccines in body:Vaccines are like a education course for the immune device. They put together the frame to combat disorder without exposing it to disorder signs. whilst overseas invaders which includes micro organism or viruses enter the frame, immune cells called lymphocytes respond by way of producing antibodies, which can be protein molecules.

Passive immunization can be used with those who have not been vaccinated against a ailment to which they have been uncovered. for example, the passive rabies immunization (rabies immune globulin) is commonly used after a positive type of wild animal bites a baby. ... via contrast, active immunizations can produce antibodies that closing a life-time.