When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 Scientific American(二)月

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

发表于:2019-01-06 / 阅读(54) / 评论(0) 分类 VOA2003(上)-健康资讯

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

发表于:2019-01-13 / 阅读(37) / 评论(0) 分类 VOA标准英语2012年(六月)

Scientists say they have discovered a new gene among bacteria that are highly resistant to even the most powerful antibiotics. Experts say the superbug, originally found in India and other parts of South Asia, is showing up in patients in Europe and

发表于:2019-01-13 / 阅读(41) / 评论(0) 分类 VOA标准英语2010年(八)月

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

发表于:2019-01-19 / 阅读(52) / 评论(0) 分类 英语新闻

今天我们要学的词是infection。 Infection, 感染。 MIT scientists are developing a new drug that might be able to fight any viral infection, 麻省理工大学的科学家正在研究一种新药,可能可以治疗任何病毒感染。 Re

发表于:2019-02-18 / 阅读(42) / 评论(0) 分类 英语单词荟萃