单词：gravid malaria
单词：gravid malaria 相关文章
Carried by the female anopheles mosquito, malaria is a disease of the poor. In rural Africa, it is killing the young and the vulnerable. The need for a vaccine which would dramatically reduce mortality has never been greater. Dedicated teams of scie
国家地理2008年
DEVELOPMENT REPORT - Fighting Malaria, Part 1 By Karen Leggett Broadcast: Monday, July 26, 2004 This is Robert Cohen with the VOA Special English Development Report. There was a lot of talk at the Int
农业与发展
This is the VOA Special English Health Report. Malaria kills about one million people a year and sickens another two hundred fifty million. Most of the deaths are in young children in Africa. Malaria causes twenty percent of childhood deaths in Afric
2010年VOA慢速英语(十一)月
By Lisa Schlein Washington 17 April 2008 A new drug that offers hope to millions of malaria sufferers is being launched in Latin America and Southeast Asia. The medicine, developed by a Brazilian pharmaceutical company and a non-profit drug developme
VOA常速英语2008年（四月）
By Lisa Schlein Geneva 25 April 2008 World Malaria Day will be celebrated for the first time April 25. It aims to focus public attention on a disease which every year kills more than one million people, most of them young children in sub-Saharan Afri
VOA常速英语2008年（四月）
Israeli(以色列) researchers say they have developed a powerful bait that effectively attracts and kills malaria-infected mosquitoes but is completely harmless to humans and other animals. The toxic sugar bait developed by scientists at Hebrew Univ
英语新闻