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Qiagen's 4th-gen tuberculosis blood test wins FDA nod

The FDA has given Qiagen approval for the QuantiFERON-TB Gold Plus test, the company's fourth-generation blood test designed for the detection of latent tuberculosis infection. The test, which is expected to be launched later this year, comes with a standard single-tube blood collection option that allows for processing of blood samples up to 53 hours following venipuncture without affecting the test accuracy.

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