Biology · Vaccine Storage and Cold Chain
At which level of the immunization cold chain system is cold chain breakdown or failure most frequently reported?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1National store level
- 2State store level
- 3District store level
- 4Sub-center / Primary Health Center level✓
Correct answer
Sub-center / Primary Health Center level
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