Mumps
Mumps is considered most contagious in the five days after the onset of symptoms, and isolation is recommended during this period. In someone who has been admitted to the hospital, standard and droplet precautions are needed. People who work in healthcare cannot work for five days.
Jeryl Lynn
Jeryl Lynn are strains of mumps virus used in the Mumpsvax mumps vaccine made by Merck. The strains are named after Jeryl Lynn Hilleman. In 1963 Ms. Hilleman's father, Dr. Maurice Hilleman, was leading efforts to produce a mumps vaccine for Merck. He cultured the mumps virus from her throat, and in 1967 a vaccine was produced from this which is now widely used.