MMR (Measles, Mumps, Rubella)

The MMR vaccine protects against three contagious viral infections: measles, mumps, and rubella. These illnesses spread through respiratory droplets and can lead to serious complications. Measles can cause life-threatening pneumonia or encephalitis; mumps may lead to gland swelling or infertility; rubella is especially dangerous in pregnancy, causing congenital rubella syndrome. Widespread immunisation has drastically reduced their global prevalence. The vaccine provides long-lasting immunity against all three viruses, making it vital for both children and adults. The MMR vaccine for adults helps prevent outbreaks and maintains community-wide protection.

The MMR Vaccine is a preventive measure that guards against:

• Measles infection and its complications (e.g. pneumonia, encephalitis, death)
• Mumps infection and its complications (e.g. meningitis, orchitis, hearing loss)
• Rubella infection and, importantly, congenital rubella syndrome in foetuses if a pregnant woman becomes infected

• Greatly reduces the risk of contracting measles, mumps, and rubella
• Two doses are about 97% effective against measles and rubella, and about 88% effective against mumps
• Long-term protection; many individuals remain immune lifelong after full vaccination
• Well-established safety record in global immunisation programs
• Contributes to herd immunity, helping protect those who can't be vaccinated (infants, immunocompromised)
• Prevents serious, avoidable medical costs, disabilities, and emotional trauma from disease

The MMR vaccine for adults is safe. Side effects, when they occur, tend to be mild, temporary, and self-resolving:

Most side effects occur 7–12 days after vaccination (especially rash, fever). Serious adverse events are exceedingly rare.

The safety precautions patients need to follow before receiving the MMR vaccine:

• Inform your doctor of any history of severe allergies, especially to vaccine components
• MMR pregnancy vaccination is not advised. Women should avoid conception for at least 4 weeks after vaccination
• Persons who are moderately or severely ill (with fever or acute illness) may have vaccination deferred until recovery
• Minor illnesses (e.g. mild cold) usually do not delay vaccination
• Stay hydrated and have a light meal beforehand
• Wear clothing that allows easy access to the upper arm
• After vaccination, remain under observation for about 15 minutes to monitor for immediate allergic reactions