标签：meningitis 相关文章
AS IT IS 2014-01-25 Zambia Working to Prevent Cervical Cancer 赞比亚致力于预防子宫癌 Hello again, and welcome to As It Is from VOA Learning English! Im George Grow. The World Health Organization says vaccinations have been shown to be more
2014年VOA慢速英语(一)月
By Gilbert da Costa Abuja 25 July 2007 Nigerian government lawyers have filed criminal charges against the American drug firm Pfizer. The lawyers accuse Pfizer of carrying out illegal tests of drugs in Nigeria. Gilbert da Costa has more for VOA in th
2007年VOA标准英语（七月）
By Sarah Simpson Lagos 07 December 2007 The U.S. pharmaceutical giant, Pfizer, has confirmed in a statement that out of court talks with the Kano State government in northern Nigeria have broken down. Kano State is suing Pfizer for more than $2 billi
VOA常速英语2007年（十二月）
By Naomi Schwarz Dakar 27 October 2006 Africa's Sahel region, stretching from Senegal to Ethiopia, along the southern edge of the Sahara, has been called the meningitis belt. More than half the world's cases of the disease occur there. Researchers i
2006年VOA标准英语（十月）
Scientists Closer to Developing Meningitis Vaccine Scientists may be on track to develop a vaccine for the most common strain of meningitis, which has so far resisted an effective vaccine. Meningitis is a serious disease caused by an inflammation of
VOA标准英语2011年(七月)
WHO Approves Infant Meningitis Vaccine 世界卫生组织已批准婴儿脑膜炎疫苗 The World Health Organization has approved the use of a meningitis vaccine for infants in sub-Saharan Africa. The vaccine has been given to older children and you
VOA标准英语2015年(一月)