Question

What do you understand by vaccination? How is vaccine used.

Answer 1

vaccine is a solution of dead or weakened pathogens of a particular disease. it is given orally or as injection

it is the recruitment of the immune system to fight against the weak pathogen and remembers it. next time when there is a similar attack of the pathogen of the same disease the immune system fights back stronger eliminating the pathogen

Answer 2

VACCINATION IS THE PROCESS OF GIVING VACCINE ORALLY  (BY MOUTH) OR BY INJECTION,WHICH PROVIDES PROTECTION AGAINST A PARTICULAR DISEASE.  A VACCINE IS A SPECIAL KIND OF PREPRATION (OR  MEDICINE) WHICH PROVIDE IMMUNITY (PROTECTION) AGAINST A PARTICULAR DISEASE. EXAMPLES:TETNUS,DIPHTHERIA.  HOPE,THE GIVEN ANSWER WILL BE HELPFUL