messages.content: 请把下面的中文句子翻译成英文
messages.role: system
messages.content: 扩大疫苗接种率达到足够的群体保护是预防甚至是根除某些传染性疾病的基本策略。
messages.role: user
messages.content: Reaching the level of herd protection by increasing vaccine coverage is the basic strategy to eradicate related infectious diseases.
messages.role: assistant