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Research shows an evolution of HIV in the body. "We're getting a very good feel that the virus that ___________________________a bit from the virus that ultimately evolves after months and years of replication."
Dr. Fauci describes the virus initially transmitted as being "very restricted in its diversity, which interestingly, ___________________________than we would have thought. Now having said that, we haven't been successful in blocking anything right now, but the nature of the virus is something that is very important." Fauci will discuss the "brief window of opportunity and vulnerability" at this month's 18th International AIDS Conference in Vienna.
"Once the virus establishes itself and truly begins to replicate, it establishes what we call a reservoir that is almost impossible, with the tools that we have now, to eradicate."
Studying those early infections, Fauci says, could lead to insights for a better prevention and treatment of HIV/AIDS and the development of a vaccine. He says test results of a new microbicide will be released at the AIDS conference. ___________________________, but this candidate releases antiretroviral drugs.
发表于 2010-12-1 16:18
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Try to improve your ability by making full use of the listening material.If you meet any difficulty,please answer this post to list your question,we will help you to solve it,let's study together.
发表于 2011-5-5 07:01
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听不出来！
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