Biology

IMPORTANCE OF VACCINATION

IMPORTANCE OF VACCINATION A vaccine is made of attenuated, dead or non¬virulent micro-organism that stimulate cells in the immune system to recognise and attack disease causing agent through production of antibodies. Vaccination protects individuals from infections of many diseases like smallpox, tuberculosis and poliomyelitis. Diseases like smallpox, tuberculosis and tetanus were killer diseases but this […]

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