April 7th each year is marked by the World Health Organisation as World Health Day.
世界卫生组织规定每年的4月7日为世界健康日。
World health day markes the establishment of the world health organization on April 7th 1948.
每年的“世界健康日”在4月7日，是庆祝世界卫生组织成立的周年纪念日。
World health day markes the establishment of the world health organization on April 7th 1948.
每年的“世界健康日”在4月7日，是庆祝世界卫生组织成立的周年纪念日。
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