The World Health Organization says there has been a sharp increase in the number of children in developing countries who weigh too much.

世界卫生组织表示，目前发展中国家体重超标的儿童数量急剧增加。

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On March 11, World Health Organization (WHO) officially characterized COVID-19 as a pandemic.

3月11日，世界卫生组织正式宣布新冠肺炎为大流行病。

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In 2000, the World Health Organization (WHO) announced that China was already a polio-free country.

2000年，世界卫生组织（WHO）宣布中国已成为一个没有脊髓灰质炎的国家。

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The World Health Organization says passengers who sit still for four or more hours face a greater risk of developing blood clots.

VOA: special.2009.07.14

It was the World Health Organization, or WHO, which led this effort.

世界卫生组织,或者叫WHO,正在努力完成这项工作

耶鲁公开课 - 生物医学工程探索课程节选

The World Health Organization aims to reduce by half the number of people who die from tuberculosis by the year 2015.

VOA: standard.2010.07.12

There are no reported cases outside the country, according to the World Health Organization (WHO).

BBC: China bird flu: Beijing reports its first case

Latest figures from the World Health Organization (WHO) show the virus has killed 6, 750 people worldwide.

CNN: The Hajj: A perfect storm for swine flu?

Six people have died, and the World Health Organization (WHO) said a further 8 cases were "severe".

BBC: China closes Nanjing market over H7N9 bird flu