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One drop of blood can reveal your history of viruses

Name: One drop of blood can reveal your history of viruses
Uploaded: 2015-06-05T08:12:00-0400
Duration: 2 min 27 s
Description: Doctors have discovered a potential breakthrough in diagnosing disease. A test can reveal virtually every virus you've ever had, using just a drop of blood. CBS News medical contributor Dr. David Agus joins "CBS This Morning" to discuss the new development.

Doctors have discovered a potential breakthrough in diagnosing disease. A test can reveal virtually every virus you've ever had, using just a drop of blood. CBS News medical contributor Dr. David Agus joins "CBS This Morning" to discuss the new development.