But close to half a million confirmed cases were reported to the World Health Organization as of November first.

VOA: special.2009.11.11

The World Health Organization keeps track of what countries have cases of polio and when they occur, and what the frequency of--So, this is a map from a few years ago and there are efforts that occur occasionally.

世界卫生组织一直跟踪记录,发生小儿麻痹症的国家及发病时间,以及发生的频率,那么,这是从几年前开始统计的,一个地图,这里是一些偶然产生的成就

耶鲁公开课 - 生物医学工程探索课程节选

The World Health Organization says there are an estimated two hundred thousand cases of the disease and thirty thousand deaths each year.

VOA: special.2009.05.26

The World Health Organization says there were almost two hundred fifty thousand new cases last year.

VOA: special.2009.10.14

A World Health Organization official, Keiji Fukuda, said these confirmed cases included two hundred forty-nine deaths.

VOA: special.2009.06.10

The World Health Organization says insecticide use has greatly reduced the number of malaria cases.

VOA: special.2010.04.20

The World Health Organization says officials reported a total of thirty-two cases,including fifteen deaths.

VOA: special.2009.02.23

The World Health Organization reports a 75 percent jump in the number of confirmed swine flu cases worldwide since Wednesday.

VOA: standard.2009.04.30

The World Health Organization reports nearly 250 million cases of malaria occur each year, causing 850,000 deaths, most among children in sub-Saharan Africa.

VOA: standard.2010.03.09

I am sure Nigeria is one of , and we must get ready to face those new cases being forecast by the World Health Organization. Dr.Ahmed says the most common cancers among those expected to increase are of the breast, cervix,colon,lungs and prostate.

VOA: standard.2010.06.16