Control of a Case. A health officer or health care provider shall recommend that a case may not attend a school, workplace, or child care facility from the onset of illness through the 5th day after onset of parotitis. Control of Contacts. Nonimmune Individuals. Nonimmune individuals for mumps, in general, are people who: Have not received two doses of mumps containing vaccine on or after the first birthday; Have no documentation of immunity or disease; or Were born in or after 1957. A health officer shall restrict or exclude a nonimmune contact from attending a school, health care facility, child care facility, or workplace until 25 days after the onset of parotitis in the last case of mumps. A health officer: May require all nonimmune individuals to be excluded from a school, workplace, or child care facility when a case of mumps is diagnosed or suspected in a student, employee, or volunteer of the school or facility; and Shall authorize readmission upon documented proof of immunity in the form of: An immunization record; A serologic test; or The low likelihood of disease transmission. Infection Control. A health care provider shall practice droplet precautions for 5 days after onset of parotitis.