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Measles Virus Vaccine, Live, Attenuated Schwarz Strain

Published: July 26, 2026Updated: August 29, 2026

The Measles Virus Vaccine Live, Attenuated Schwarz Strain is a live attenuated vaccine that provides active immunization against measles (rubeola) caused by the measles virus. It is primarily used to vaccinate children and susceptible adults who have not been previously vaccinated or recovered from measles.

Quick summary

A live attenuated vaccine used to prevent measles infection in children and susceptible individuals.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 29, 2026Editorial policy

Key facts at a glance

RxNorm
2603499
Generic
Measles Virus Vaccine Live, Attenuated Schwarz Strain
Class
unclassified
Brands
Priorix
Availability
rx
Lactation
unknown
Routes
—
Forms
injection
Regions
US, EU, CN, JP
Monitoring
—

This page is for informational purposes only.

Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.

Prevention of measles (rubeola) infection in individuals without contraindications, typically administered to children as part of routine immunization schedules and to susceptible adults lacking measles immunity or prior infection.

Contains live but weakened (attenuated) measles virus of the Schwarz strain that stimulates the immune system to produce antibodies against the measles virus without causing the actual disease, providing long-lasting immunity.

Contraindicated in immunocompromised patients, pregnant individuals, and those with severe egg allergies. Should not be given concurrently with immune globulin. Common side effects include fever and mild rash. Vaccine recipients may shed the attenuated virus briefly but are not considered contagious to others.

Official drug label

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 29, 2026. · Read our editorial policy