Discuss (a) Principles of treatment ; (b) Vaccination

To reduce the symptoms of disease.

To remove the cause of disease

To prevent the cause of disease

To prevent the spread of disease

To make the patient healthy again by helping him to overcome the effects of the diseases like weakness etc

(b) A vaccine is a product that produces immunity from a disease and can be administered through needle injections, by mouth, or by aerosol. A vaccination is the injection of a killed or weakened organism that produces immunity in the body against that organism.

An immunization is the process by which a person or animal becomes protected from a disease. Vaccines cause immunization, and there are also some diseases that cause immunization after an individual recovers from the disease.