NCIt definition : A viral infection caused by the rubella virus. It is initially manifested with flu-like
symptoms that last one or two days, followed by the development of a characteristic
red rash which lasts from one to five days. The rash first appears in the neck and
face. It subsequently spreads to the rest of the body.;
Alternative definition : NICHD: An infection that is caused by the rubella virus; it is characterized by a
descending, non-coalescing macular or maculopapular rash and, generally, a mild systemic
illness.;