Which of the following is a method used to give polio vaccine?

intravenously

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orally

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hypodermically

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into the abdominal cavity

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Solution

The correct option is B
orally

There are two types of poliovirus vaccines in current use. One is the killed Salk vaccine, which consists of chemically inactivated wild poliovirus. The second vaccine is the Sabin vaccine, which is a live-attenuated vaccine. The Salk vaccine is administered intramuscularly while the Sabin vaccine is given orally.

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