Choose the suitable vaccine by differentiating Live and Killed vaccines

Differences between Live and Killed Vaccines

Live Vaccine

  • Live attenuated organisms or organisms of lower virulence are used as agent
  • Gives strong immune response
  • Booster immunization is not required
  • Adjuvant is not required
  • Cold chain is required
  • Less costly
  • Chance of reversal of virulence is there

Killed Vaccine

  • Killed organisms are used as agent
  • Gives relatively poor immune response
  • Booster immunization is required
  • Adjuvant is required
  • Cold chain is not required
  • Costly
  • No chance of reversal of virulence is there i.e. Safe

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