Question Detail
Question
A vaccine type that uses a weakened form of the pathogen to stimulate the immune system, such as oral polio or measles vaccines, is known as what?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 4 describes 'Live attenuated' vaccines as using 'weakened pathogen (e.g., oral polio, measles)'.
Hint
Review the descriptions of vaccine types under 'VACCINES' on page 4.