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Measles Mumps and Rubella Vaccine

Sanofi · FDA-approved active Biologic

The MMR vaccine stimulates the immune system to produce antibodies and cellular immunity against measles, mumps, and rubella viruses by exposing it to attenuated (weakened) forms of these pathogens.

The MMR vaccine stimulates the immune system to produce antibodies and cellular immunity against measles, mumps, and rubella viruses by exposing it to attenuated (weakened) forms of these pathogens. Used for Prevention of measles, Prevention of mumps, Prevention of rubella.

At a glance

Generic nameMeasles Mumps and Rubella Vaccine
Also known asM-M-R II™ or Priorix™
SponsorSanofi
Drug classLive attenuated viral vaccine
ModalityBiologic
Therapeutic areaImmunology
PhaseFDA-approved

Mechanism of action

The vaccine contains live attenuated strains of measles, mumps, and rubella viruses that replicate in the body without causing disease in immunocompetent individuals. This triggers both humoral (antibody-mediated) and cell-mediated immune responses, generating protective immunity against natural infection with these three viral pathogens. Upon subsequent exposure to wild-type virus, the primed immune system rapidly produces neutralizing antibodies and cytotoxic T cells to prevent infection.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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