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Written By: Admin | Published : September 9, 2012 3:07 PM IST
Vaccination refers to the practice of taking a substance to trigger the body s immune system s response against a particular disease. It is now a standard procedure and given to children at various ages. In public health practice, vaccination is given to confer community protection so that even unimmunized children will have a reduced risk of getting the disease. This is called the herd effect of immunization. It s routinely used to prevent various diseases like tuberculosis, polio, measles, hepatitis, etc.
