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This vaccine protects against typhoid


Active ingredients:

The active ingredient in this vaccine is live, attenuated Salmonella typhi Ty21a bacteria.

This vaccine is given orally (by mouth), not by an injection

Inactive ingredients:

Relevant Terms:

  • Antibiotics: substances that kill bacteria or prevent them from dividing. Antibiotics are used in some vaccines to prevent contamination during the manufacturing process.

  • Attenuated: The pathogen is weakened but not completely inactivated. Attenuated pathogens are too weak to cause disease in almost all people. If you are immunocompromised, talk to your doctor before receiving vaccines containing attenuated pathogens.

  • pH: a measure of how acidic or basic a solution is. The scale ranges from 0 (very acidic) to 14 (very basic). A pH of 7 is neutral.


Last updated: Apr. 7, 2024

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