This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
All of the following statements are true about DPT 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 ls 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: DPT vaccine should not be frozen. They should be stored in a refrigerator between 2 to 8-degree CelsiusReference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 172