1.

Why is it necessary to safely store the pathogens of a disease against which vaccines are to be produced?

Answer»
  • Pathogens are microbes which can cause diseases in us. 
  • For the preparation of a vaccine, a particular pathogen is cultured and grown in a laboratory. 
  • If these pathogens are not safely stored, they many get modified due to environmental factors, resulting in decrease in the efficiency of the vaccine. 
  • Also, the live pathogens may escape and cause diseases in us.


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