General Knowledge · Logistics and Infrastructure
Which of the following methods effectively helps maintain the stability and efficacy of vaccines in remote, off-grid areas?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Underground standard storage pits
- 2Vaccine-heated thermoregulated containers
- 3Solar-powered refrigerators✓
- 4Air-conditioned passenger cars
Correct answer
Solar-powered refrigerators
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