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What are live vaccines and why are they used?

April 26, 2017live Used vaccines

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What are live vaccines and why are they used?

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As the name suggests, these vaccines contain live strains which have been specially modified to prevent them from causing disease, thereby ensuring safety for the vaccinated animals as well as for unvaccinated ‘in-contact’ animals. Live vaccines give a rapid onset of protection, usually only requiring one dose for the primary course; they provide better stimulation of the immune system and give longer lasting protection.