单词：streptococcal infections
单词：streptococcal infections 相关文章
Poverty Source of Tropical Infections in Texas, Gulf of Mexico Chagas is an infectious disease transmitted by the kissing bug. The kissing bug looks a little bit like a cockroach but it has the ability to feed on blood and it lives in the very poor q
VOA标准英语2012年(三月)
This is the VOA Special English Health Report. Hospitals not only treat infections -- they can also cause them. In the United States alone, the number of infections in hospitals is estimated at close to two million each year. About one hundred thousa
2010年VOA慢速英语(四)月
HIV Superinfections Appear Common Theyre called HIV superinfections and a study indicates theyre much more common than first thought. Researchers say this raises concerns about possible resistance to treatment and may require new approaches to AIDS v
VOA标准英语2012年(六月)
Around the world, a woman's place is increasingly in a factory or shop, a government ministry, or in front of a classroom. As more women work, their children often spend the day in childcare. And with that exposure to other children, it seems the kid
VOA标准英语2010年(十二)月
UNAIDS: Sharp Drop in New Infections The latest Global Report on HIV/AIDS says the number of new infections continues to fall, with the sharpest declines in the Caribbean and sub-Saharan Africa. The UNAIDS report says overall there are about 34-milli
VOA标准英语2012年(十一月)
High-Tech Device Reduces Risk of Hospital Infections This machine fires bursts of ultraviolet, or UV, light that penetrate the cells of micro-organisms and kill them. The organisms have no chance to adapt and gain immunity as they might with a chemic
VOA标准英语2012年(二月)