<prompt> Answer this question truthfullyWhat are the primary prevention methods for mumps?  <response>: <reason> Mumps can be prevented with the MMR vaccine. The United States is replacing MMR with the MMRV vaccine, which also protects against chickenpox. A single dose is on average 78 effective at preventing mumps while 2 doses is on average 88 effective. In general all age groups should receive 2 doses of MMR or MMRV vaccine unless an individual has evidence of immunity. The vaccine is contraindicated in pregnant women, individuals with egg or neomycin allergies and immune-compromised or severely immune-suppressed individuals. 