Mumps vaccination is usually not needed after MMR vaccination. MMR vaccine is a triple vaccine against measles virus, mumps virus and rubella virus. MMR vaccine is usually effective in preventing measles, mumps virus and rubella virus infections to a certain extent. Mumps vaccine is not usually needed after MMR vaccination. The mumps vaccine is a single preventive vaccine against mumps that produces immunity against the mumps virus. The mumps vaccine does not protect against rubella or measles viruses, but it does protect against mumps in the same way as the MMR vaccine, so it is usually not necessary to get a mumps vaccine after the MMR vaccine. Although the body can produce immunity after vaccination, which can play a certain preventive role against the virus, it is still necessary to take strict protective measures, especially during outbreaks of epidemics or outbreaks of endemic viruses, and should not be taken lightly, so as to avoid infection of viruses that may affect your health.