GNH USA

Europe — EMA

Vivotif

Vivotif is a live, attenuated oral vaccine for typhoid fever prevention. This Salmonella Typhi vaccine helps protect against infection caused by the typhoid bac

Salmonella Typhi, Strain Ty21a (Live, Attenuated)

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What is Salmonella Typhi, Strain Ty21a (Live, Attenuated)?

Vivotif is a live, attenuated oral vaccine for typhoid fever prevention. This Salmonella Typhi vaccine helps protect against infection caused by the typhoid bacteria. Suitable for travelers and at-risk individuals. Store as directed by the manufacturer.

What is Salmonella Typhi, Strain Ty21a (Live, Attenuated) used for?

Vivotif is used to help prevent typhoid fever, a serious bacterial infection spread through contaminated food and water. It is recommended for travelers to areas where typhoid is common, as well as for household contacts of typhoid carriers. The vaccine works by stimulating the body's immune response to Salmonella Typhi. It does not treat active infections.

What are the side effects of Salmonella Typhi, Strain Ty21a (Live, Attenuated)?

After taking Vivotif, some people may experience mild effects such as stomach discomfort or a slight fever. These effects are generally temporary and indicate the vaccine is working to build immunity. Most users do not experience significant reactions. The vaccine is designed to be well-tolerated for oral administration.

What precautions apply to Salmonella Typhi, Strain Ty21a (Live, Attenuated)?

Vivotif should be stored refrigerated and used before the expiration date. It is important to follow the complete dosing schedule for full protection. People with weakened immune systems or severe illnesses should consult a healthcare provider before use. Avoid taking antibiotics within 72 hours before or after vaccination.

What does Salmonella Typhi, Strain Ty21a (Live, Attenuated) interact with?

Antibiotics may reduce the effectiveness of Vivotif, so they should not be taken close to vaccination. Immunosuppressive drugs or treatments may also interfere with the vaccine's ability to work properly. Always inform your healthcare provider about all medications and conditions before vaccination. Alcohol does not directly interact but may affect overall health during travel.

Frequently asked questions

How is Vivotif taken?+
Vivotif is an oral vaccine taken as capsules on an empty stomach, with cool water. Follow the prescribed schedule for full protection.
Who should not take Vivotif?+
People with weakened immune systems or those taking antibiotics should consult a doctor before use. It is not for treating active typhoid infections.
How long does Vivotif protection last?+
Protection from Vivotif typically lasts 5–7 years with the full course. Booster doses may be recommended for continued travel.
Can Vivotif cause side effects?+
Mild stomach discomfort or low fever may occur. Serious reactions are rare but should be reported to a healthcare provider.
Information provided on this page is for educational use by procurement and clinical professionals. Always consult a licensed healthcare provider for medical advice and prescribing decisions. GNH USA supplies this product subject to applicable regulatory and licensing requirements.

Product details

Drug
Salmonella Typhi, Strain Ty21a (Live, Attenuated)
Route
Oral Use
Manufacturer
Bavarian Nordic A/S
Origin
EU

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