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First Duplex Test for Parvovirus B19 and Hepatitis A Virus Increases Safety of Human Plasma and Plasma Products
Date:10/4/2010

clotting factors, which have many therapeutic uses. These include treatment of chronic and hereditary diseases and disorders such as hemophilia and primary immunodeficiency diseases. Plasma is also used to treat patients who have suffered severe burns or trauma, and during major surgery.

The presence of B19V DNA in plasma pools as well as plasma products has been reported to be associated with the transmission of B19V by administration of plasma products, especially coagulation factors. There have also been reports on the transmission of HAV through blood and plasma products. Both B19V and HAV are not easily inactivated by traditional methods and so detection by NAT is an important step in ensuring the safety of blood and plasma products.

About Roche Blood Screening Roche is a leader in the global NAT blood screening and plasma market, which is estimated at almost 900 million CHF. Nucleic acid-based tests enable earlier detection of active viral infections than conventional antibody or antigen assays. Roche's real-time PCR-based nucleic acid assays have been used since 1998 to screen blood and plasma products. Currently, more than 225 blood banks worldwide use Roche's automated cobas s 201 system.

About RocheHeadquartered in Basel, Switzerland, Roche is a leader in research-focused healthcare with combined strengths in pharmaceuticals and diagnostics. Roche is the world's largest biotech company with truly differentiated medicines in oncology, virology, inflammation, metabolism and CNS. Roche is also the world leader in in-vitro diagnostics, tissue-based cancer diagnostics and a pioneer in diabetes management. Roche's personalised healthcare strategy aims at providing medicines and diagnostic tools that enable tangible improvements in the health, quality of life and survival of patients. In 2009, Roche had over 80,000 employees worldwide and invested almost 10 billion Swiss francs in R&D. The Group posted sales of 49.1 billion
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