Social & Preventive Medicine Reverse Cold Chain is used for:- A Transpoation of vaccines in +2 to +8 degrees Celsius from PHC to sub-centre B Transpoation of Oral Polio vaccine in -20 to -40 degrees Celsius C Transpoation of Poliomyelitis stool samples from Field to Laboratory D None of the above 💡 Explanation Reverse Cold Chain is used for:- ✓ Correct Answer: C. Transpoation of Poliomyelitis stool samples from Field to Laboratory