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Avatar universal

Kindly Please have an explaination for this topic.

The article 'HIV Incidence' http://www.cdc.gov/hiv/topics/surveillance/incidence.htm  said that 'New technology and methodology developed by CDC show that the incidence of HIV in the United States is higher than was previously known. ' Could you please have an explaination on this sentence ? Does that mean in the previous time ,the old technology ,say,ELISA (3rd or 4th generation's reagent)missed to catch some of the incidence of HIV ?  And if it is true,what kind of the incidence had been missed ?
And what is the 'New technology and methodology developed by CDC ?

In my country,this article had been reported by the goverment to imply that maybe the old technology have missed to catch some of the infection of HIV.

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Avatar universal
There ARE experimental tests that attempt to determine a "recent" HIV infection, including STARHS (Serologic Testing Algorithm for Recent HIV Seroconversion, also called the "detuned assay"), the BED Assay (BED HIV-1 Capture EIA), and others. Neither are reliable for single use but is used for group population. So far these tests are not FDA approved.
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Avatar universal
And can you tell me what is the 'New technology and methodology which menthioned in the article developed by CDC ?
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Avatar universal
No, it means there data collection were not up to par.
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