You are presented with the question "What can vaccines do?" and the following answer choices: 
- cause euphoria
 - major threat to health
 - it protects them
 - protect plants
 - Keep someone from disease
 - cause a disease
 - cause a vasectomy
 - rapid expansion

Now knowing that immunity results from immunization and immunization with vaccine is effective, choose the best answer.


 

     Keep someone from disease    