This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
All of the followng statements are true about PT vaccine except - 
Select and explain. 
A. It should be stored in deep freezer, B. Exposure to direct sunlight, when in use should be avoided, C. Store stocks are needed for three months at PHC level, D. Half - used vials should not be put back into the cold chain after the session
A: It should be stored in deep freezer
Answer: A: It should be stored in deep freezer 
Explanation: None