描述世界衛生日的英語作文：4月7日
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 2017 focuses on working together for health.
1948年，世界衛生組織確定每年4月7日為世界衛生日，從1950年開始生效。確立世界衛生日的目的是讓世界衛生組織重點觀注某一健康領域的問題。今年的主題是關注醫護人力資源。