evidence: Across the globe, however, life has looked very different. China has resisted the use of Western mRNA vaccines, instead relying on its zero-Covid policy of strict lockdowns and Covid controls to try to keep the virus from spreading within its borders. This policy recently sparked unprecedented demonstrations among Chinese citizens and, as a result, on Wednesday, the Chinese government released extensive revisions to its restrictive, and ultimately unsuccessful, zero-Covid policy. [...] CNN: Can you explain how an mRNA vaccine works? What happens in the body after someone gets an mRNA shot? [...] CNN: What are your thoughts on China’s zero Covid approach? Do you think China did its citizens a disservice by not making mRNA vaccines available to them?