节足动物携带性病毒症

By Lisa Schlein Geneva 31 March 2006 Women fetch water in drought-hit Dubluk, Ethiopia The U.N. Children's Fund, UNICEF, says Ethiopian children are facing an epidemic of lethal diseases. UNICEF says

发表于:2018-12-16 / 阅读(87) / 评论(0) 分类 2006年VOA标准英语(三月)

By Anjana Pasricha New Delhi 05 October 2006 India is struggling to cope with outbreaks of mosquito-borne diseases that have killed more than 100 people and infected thousands of others in recent weeks. Overburdened hospitals and clinics in several

发表于:2019-01-11 / 阅读(100) / 评论(0) 分类 2006年VOA标准英语(十月)

Kurt Achin It is rainy season in Southeast Asia, and the region is facing its annual battle with dengue fever and other mosquito-borne diseases. The World Health Organization says such diseases are a

发表于:2019-01-11 / 阅读(55) / 评论(0) 分类 VOA2004(上)--国际时事

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

发表于:2019-01-13 / 阅读(65) / 评论(0) 分类 VOA标准英语2010年(四)月

A U.N. agency warns that more than 50-million sheep and goats in 15 southern Africa countries may be at risk of contracting a deadly viral disease. The warning follows an outbreak of the disease earlier this year in Tanzania. The disease is called Pe

发表于:2019-01-14 / 阅读(29) / 评论(0) 分类 VOA标准英语2010年(十一)月

By Lisa Schlein Geneva 02 June 2008 A new report finds nearly three million HIV-positive people in low and middle-income countries now are receiving life-saving anti-retroviral treatment. While praising this accomplishment, the World Health Organiza

发表于:2019-02-02 / 阅读(273) / 评论(0) 分类 VOA标准英语2008年(六月)
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aminoacyl phosphatidylglycerol
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