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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According to the new study from the World Health Organization (WHO), music can make us happier and healthier.

根据世界卫生组织的一项新研究，音乐能使我们更快乐、更健康。

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More than 70 percent of city dwellers in the developing world (that's around 900 million people) live in slum-like conditions, according to the World Health Organization (WHO).

CNN: All About: Developing cities and pollution

Snake-oil Survey The World Health Organization (WHO) in June released its ranking of the health care systems of 191 countries, using five measures of performance.

FORBES: Fact And Comment

The next morning, the Secretary-General met with Margaret Chan, Director-General of the World Health Organization (WHO) with whom he talked about the United Nations response to H1N1 influenza.

UN: Secretary-General