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Medicines Salmonella typhi strain ty 21aQuestion & answer

Salmonella typhi strain ty 21a · Medicine question

Does it prevent every case of typhoid?

iatroX medicinesPublished 18 August 2026Reviewed 18 August 2026

The answer

Answer

No. It reduces risk but does not provide complete protection, so careful food, water and hand hygiene remain essential.

Sources for this answer

Vivotif, gastro-resistant capsulesemc · SmPC Current selected SmPC · Version 1
UK GovernmentUK Government · Reputable Web

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The full medicine guide

Salmonella typhi strain ty 21a

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the Salmonella typhi strain ty 21a guide

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More questions about Salmonella typhi strain ty 21a

Does it protect against paratyphoid or other Salmonella infections?Can children take it?Can someone with a weakened immune system take it?Should it be taken during fever or diarrhoea?How should the capsules be stored?