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Question

The Sabin polio vaccine is ________ , whereas the Salk vaccine is _____________.


A

made up of acetaldehyde; made up of chloramphenicol

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B

live and attenuated; heat killed and inactivated

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C

heat killed and inactivated; live and attenuated

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D
made up of interferons; made up of antibodies
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Solution

The correct option is B

live and attenuated; heat killed and inactivated


The Sabin polio vaccine is live and attenuated, whereas the Salk vaccine is heat killed and inactivated. The Salk polio vaccine is produced by formaldehyde inactivation of the
poliovirus. Sabin vaccine may cause vaccine associated paralysis and may revert to virulence but in only very rare cases.


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