immunizes against disease immunizes against pathogen mumps rubella Rubella virus Mumps orthorubulavirus Mumps-Rubella vaccine foreign to USA vaccine Kallan Roan This term was used by the USA VAERS system to indicate the source, which is foreign to USA here, of the vaccine. A Mumps-Rubella vaccine manufactured outside of the U.S. Oliver He Mumps-Rubella Vaccine vaccine foreign to USA