单词:infectious infection
单词:infectious infection 相关文章
Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto
SCIENCE REPORT - January 2, 2002: New Cold Drug By Nancy Steinbach This is the VOA Special English Science Report. American researchers say they have developed the first drug that can effectively trea
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? A direct effect on human health related to climate change is the likely increase in infectious diseases transmitted by insects or through contaminated water. In the Marc
BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv
This is the VOA Special English Health Report. A boy with HIV at a children's home for AIDS orphans in Nairobi, Kenya AIDS researchers had important news last week. Two studies in Africa confirmed tha
Part 2. Hand Washing. Keywords. spread of viruses, public restrooms, infectious diseases, the correct method. Vocabulary. organism, cholera, hepatitis, infection. A. Before you listen to the material, discuss the following questions. 1. Do you often