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
At Primary Health Centre (PHC) level, vaccines Are stored in the - 
Select and explain. 
A. Cold box, B. Deep freezer, C. Ice lined refrigerator, D. Walk in cold room
C: Ice lined refrigerator
Answer: C: Ice lined refrigerator 
Explanation: None