NEW YORK (GenomeWeb News) – The US Food and Drug Administration has cleared for marketing a test for dengue virus developed by the US Centers for Disease Control and Prevention, CDC said today.

The test is the first FDA-approved molecular test for dengue and uses real-time PCR technology. Called the CDC DENV-1-4 Real Time RT PCR Assay, it can detect dengue within the first seven days after symptoms appear and can detect all four dengue virus types, CDC said.

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The US Food and Drug Administration has new guidelines that enable some gene and cell therapies to undergo expedited review, according to the New York Times.

Using gene drives to control invasive species might be too risky, an initial advocate of the approach says.

Researchers have grown tumors in 3D cell cultures to better understand cancer, the Economist reports.

In Science this week: intellectual property experts argue patent battles such as the one over CRISPR are wasteful, and more.