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Definition of CMV-Negative Blood

The blood of a person who has never had CMV (cytomegalovirus) will test negative for antibodies to the infection and will be described as having CMV-negative blood. Interestingly, many people who contract CMV never know they have it.

Significance

• Blood products that are CMV negative are important to patient populations that would be in particular danger if they contracted CMV. That includes transplant recipients, pregnant women and infants.

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