If the panel's recommendation is taken up by the Food and Drug Administration, OraQuick would become the first instant HIV test available over the counter不需要計算 in America. Using a mouth swab口腔棒 to detect檢測 the presence存在 of antibodies抗體, it delivers提供 a result in just twenty minutes. In home trials試驗, the product proved 93 percent accurate準確, compared with 99 per cent accuracy準確性 when similar tests are conducted進行 by medical professionals.
Supporters say the kit would advance the fight against HIV Aids by encouraging more people to test for the virus in the privacy of their own homes. Currently, almost a quarter of a million Americans are believed to be HIV positive without realising it - that's roughly a fifth of all infections.
Researchers estimate that, each year, the new test would identify an additional 45,000 carriers of the virus and avert避免 four thousand new transmissions. But the panel also advised that the packaging should carry warnings about the variable accuracy of home-testing, and a toll-free phone number offering counselling輔導 to those testing positive.
There are already other home tests on the US market. But they require需要 a blood test which must be sent to a laboratory for analysis. Last week, another FDA panel recommended for the first time a drug to protect healthy people from contracting感染 HIV.
Supporters say the kit would advance the fight against HIV Aids by encouraging more people to test for the virus in the privacy of their own homes. Currently, almost a quarter of a million Americans are believed to be HIV positive without realising it - that's roughly a fifth of all infections.
Researchers estimate that, each year, the new test would identify an additional 45,000 carriers of the virus and avert避免 four thousand new transmissions. But the panel also advised that the packaging should carry warnings about the variable accuracy of home-testing, and a toll-free phone number offering counselling輔導 to those testing positive.
There are already other home tests on the US market. But they require需要 a blood test which must be sent to a laboratory for analysis. Last week, another FDA panel recommended for the first time a drug to protect healthy people from contracting感染 HIV.
this text is from bbc learning english
http://www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2012/05/120517_witn_hiv_testing.shtml
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