Answer:
B. Avoid Strenuous Activity
Explanation:
Answer A is incorrect because staying awake causes tiredness, which can cause sickness and illnesses to hit people.
Answer B is correct because avoiding strenuous activity can help the body focus on fighting off the infection.
Answer C is incorrect since vaccines should be taken to prevent infections before they occur, not while they occur.
Answer D is incorrect because regular screenings are used to prevent infections.
