Dx Focus: Clinical and Regulatory PCR and Nucleic Acid Testing News | GenomeWeb

Cepheid said this week that it has received clearance from the US Food and Drug Administration to market its Xpert C. difficile/Epi test.

Cepheid's first Xpert C. difficile test, which only detects C. difficile, has been available in the US since July 2009. The newly approved test additionally and simultaneously identifies the epidemic strain of C. difficile, also known as 027, NAP1, or BI, Cepheid said.

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In PNAS this week: statistical approach to examine intra-tumor heterogeneity, new genetic condition called otulipenia, and more.

Blood tests looking for biomarker changes could catch mental illnesses earlier, Newsweek reports.

DNA testing offers Korean adoptees a way to find their birth parents that sidesteps bureaucratic red tape, according to the New York Times.

A National Institutes of Health researcher has filed an Equal Employment Opportunity complaint against the agency, the Washington Post reports.