Changes in population proportion (%) and population size (Million) residing in high-risk areas with increased awareness rate (Strategy B - Strategy A).

Changes in population proportion (%) and population size (Million) residing in high-risk areas with increased awareness rate (Strategy B - Strategy A).策略B减策略A对应的、居住于认知率提升的高风险地区的人口占比（百分比）与人口规模（单位：百万）的变化情况