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.
The passage suggests that to protect public health, it is essential to:
Show answer & explanation
Correct answer: C
Explanation
The text highlights that preserving accessibility in an open nature is "crucial in order to secure public health," specifically mentioning the importance of solar-powered refrigerators and insulated containers for remote locations.
The passage emphasizes the need for public education campaigns (radio, social media, school initiatives) and door-to-door interactions by health workers to combat misinformation and vaccine hesitancy.