4月7日是世界卫生日。每年的这一天, 世界各地的人们都要举行各种纪念活动，来强调健康对于劳动创造和幸福生活的重要性。
April 7th is World Health day. Every year on this day, people all over the world to hold various commemorative activities, to emphasize the importance of health and a happy life for labor.
1948年，第xx届世界卫生大会要求建立“世界卫生日”以纪念世界卫生组织的诞生。自1950年以来，每年于4月7日庆祝世界卫生日。每年为世界卫生日选定一个主题，突出世卫组织关注的重点领域。
In 1948, the first World Health Assembly called for the establishment of "World Health Day" to commemorate the birth of WHO. Since 1950, every year in April 7th to celebrate the world health day. Each year as World Health Day a theme selected key fields observed by the world health organization.
世界卫生日是一次全球性机会，注重于影响国际社会的主要公共卫生问题。世界卫生日启动较长期宣传规划，持续至4月7日之后。
World Health Day is a global opportunity, focus on the impact of a major public health problem in the international community. World Health Day start a long-term advocacy planning, until after April 7th.