1948: the World Health Organization decided to celebrate 7th April of each year, with effect from 1950, as the World Health Day.The World Health Day is celebrated to create “awareness of a specific health theme to highlight a priority area of concern for the World Health Organization (WHO). World Health Day 20_ focuses on Working together for health.
关于雷锋日的黑板报：社区学雷锋活动计划 
