单词：superinfection immunity
单词：superinfection immunity 相关文章
We all have Escherichia coli bacteria in our intestines. These are the good strains of the bacteria. They help us digest our food. There are billions of these bacteria in our intestines and in our feces. Of the hundreds of strains of good E. coli, th
365个英语简短小故事
After getting your flu shot, did you know it takes about two weeks to develop an immunity? Its true. You can test your knowledge on more flu facts by taking this quiz. Here it goes. True or false: The flu isnt serious. Thats false. You can have compl
万花筒2011年
Study: Vitamin D is Powerful Weapon Against TB Vitamin D plays a critical role in fighting infection and now scientists say that it may be a powerful weapon against tuberculosis. In a study reported in the journal Science Translational Medicine, rese
VOA标准英语2011年(十月)
US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N
VOA标准英语2011年(八月)
JUDY WOODRUFF: Just weeks ago, hardly anyone in the U.S. knew what the Zika virus was, much less worried about it. But the World Health Organization's warning today put the Americas, including the U.S., on new notice. And, suddenly, a mosquito-borne
PBS访谈健康系列
台湾籍旅美老师今天交给我们的句子是： Stress hormones increase inflammation in the body, suppress the immune system, which make you more susceptible to infection by acne-causing bacteria, and can even increase oil-production in the s
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