Social & Preventive Medicine Reversed cold chain is used for: September 2010 A Transpoation of vaccines back from vaccination center to hospital B Transpoation of vaccine from hospital to vaccination center C A system of storing and transpoing samples at recommended temperatures from the point of collection to the laboratory D Transpoing oral polio vaccine only π‘ Explanation Reversed cold chain is used for: September 2010 β Correct Answer: C. A system of storing and transpoing samples at recommended temperatures from the point of collection to the laboratory