Read the following passage and answer the questions based on the passage:
Universal immunization campaigns have eradicated or controlled fatal conditions such as smallpox and polio. Mass immunization relies on cold-chain availability: vaccines have to be stored at precise temperatures from manufacturing through inoculation.
Solar-powered refrigerators and insulated containers are lifelines for remote locations. Door-to-door interactions by community health workers educate households regarding dosage routines and myths. Vaccine hesitancy fueled by misinformation is also a major obstacle to herd immunity. Campaigns of public education-capitalizing on radio, social media, and school initiatives-seek to revive public faith in science. Preserving accessibility and communication in an open nature is crucial in order to secure public health.
According to the passage, which method helps maintain vaccine potency in remote areas?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Solar-powered refrigerators.
According to the passage, maintaining vaccine potency relies on the "cold-chain," which requires precise temperature control from manufacturing to inoculation. For remote areas, the text specifically identifies the following as critical:
Solar-powered refrigerators: These serve as lifelines to keep vaccines at the required temperatures in locations that may lack consistent electricity.
Insulated containers: These are also mentioned as essential tools for transporting vaccines to remote regions while preserving their effectiveness.
Cold-chain availability: The passage emphasizes that vaccines must be stored at precise temperatures to remain potent.