Most vaccines cannot be given orally because they are not absorbed from the intestines.

Name: Most vaccines cannot be given orally because they are not absorbed from the intestines.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Most vaccines are made up of proteins or other large molecules which are broken down in the digestive system, making them unable to be absorbed and less effective if given orally. Therefore, most vaccines are given through injection or nasal sprays instead of orally.

Most Vaccines Cannot Be Given Orally Because They Are Not