Respiratory syncytial virus antibodies

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Blood test

RSV antibody test; RSV serology

In infants, a positive test may detect RSV antibodies that were passed from mother to child. In children, a positive test may indicate either current or past infection with RSV. Most adults will have a positive test because most people have had an RSV infection.

A positive test in age groups other than infants indicates a current or past infection with RSV. Because most adults have had an RSV infection, a positive test most likely reflects a past infection.

In infants a positive test most likely reflects maternal antibody, and therefore may not indicate true infection with RSV.

Review Date: 06/09/2005
Reviewed By: Camille Kotton, M.D., Infectious Diseases Division, Massachusetts General Hospital, Boston, MA. Review provided by VeriMed Healthcare Network.