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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