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Rotavirus Vaccine Arrives in Rwanda More than 3,000 Rwandan children die every year from diarrhea. But health officials say thats about to change with the introduction of the rotavirus vaccine. Rwanda is the latest in a growing number of African coun
VOA标准英语2012年(五月)
RotavirusImmunizationProtectsPeopleWhoDon'tGetVaccine Rotavirus causes severe diarrhea that kills more than a half-million people each year, mostly very young children. A recently-introduced vaccine has proved to be very effective and has shown some
VOA标准英语2011年(九月)
Rotavirus Kills 500,000 Children Annually Despite Vaccine Vaccines against rotavirus, a leading cause of diarrhea-related deaths among young children, first became available in 2006. However, a new study indicates vaccination has been slow to blunt t
VOA标准英语2011年(十月)
DEVELOPMENT REPORT - Studies Say New Rotavirus Vaccines Are Safe and EffectiveBy Jill Moss Broadcast: Monday, January 16, 2006 I'm Steve Ember with the VOA Special English Development Report. Studies
2006年慢速英语（一）月
I left campus knowing little about the millions of young people cheated out of educational opportunities here in this country. And I knew nothing about the millions of people living in unspeakable poverty and disease in developing countries. 我离开校
名校励志英语演讲
DEVELOPMENT REPORT - How Do Vaccines Reach the Developing World?By Jill Moss Broadcast: Monday, March 06, 2006 I'm Steve Ember with the VOA Special English Development Report. Guatamalan baby infected
2006年慢速英语（三）月