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NCI Dictionary of Cancer Terms


vaccinia CEA vaccine  listen  (vak-SIH-nee-uh … vak-SEEN)

  A vaccine made by putting the gene for carcinoembryonic antigen (CEA) into the vaccinia virus. The vaccinia virus is related to the virus used to make the smallpox vaccine. CEA is a tumor marker. The vaccinia CEA vaccine may help the immune system recognize and kill cancer cells that make CEA.