Typhoid Vi Polysaccharide Vaccine, S Typhi Ty2 Strain
The Typhoid Vi Polysaccharide Vaccine is an inactivated vaccine that provides protection against typhoid fever caused by Salmonella typhi bacteria. The vaccine contains purified Vi capsular polysaccharide antigen from the Ty2 strain, which stimulates the immune system to produce antibodies against the bacteria. It is primarily recommended for travelers to endemic regions, healthcare workers, and individuals living in or around carriers of the disease.
A bacterial vaccine that protects against typhoid fever by stimulating immune response to Salmonella typhi, recommended for travelers and those at risk of exposure.
Key facts at a glance
- RxNorm
- 807219
- Generic
- Typhoid Vi Polysaccharide Vaccine, S Typhi Ty2 Strain
- Class
- unclassified
- Brands
- Typhim VI
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- prefilled syringe, solution
- 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 typhoid fever caused by Salmonella typhi. Recommended for travelers to endemic areas (South Asia, Southeast Asia, Africa), people in endemic regions, laboratory personnel working with S. typhi, and household contacts of carriers.
Contains purified Vi capsular polysaccharide antigen from Salmonella typhi Ty2 strain. The vaccine stimulates the immune system to produce IgG antibodies against the Vi antigen, which helps the body recognize and fight the bacteria if exposed. Immunity develops approximately 2 weeks after vaccination.
Administered as a single 0.5 mL intramuscular dose. Booster recommended every 2-3 years for continued protection. Not effective in children under 2 years of age. Common side effects include injection site reactions, headache, and mild fever. Does not provide complete protection; food and water precautions should still be observed. Contraindicated in individuals with severe allergic reactions to any vaccine component.
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.
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 31, 2026. · Read our editorial policy