GNH USA

Europe — EMA

Vivotif

Vivotif is an oral typhoid vaccine containing live, attenuated Salmonella Typhi bacteria. It helps protect against typhoid fever caused by the bacteria. This va

Salmonella Typhi, Strain Ty21a (Live, Attenuated)

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

Vivotif is an oral typhoid vaccine containing live, attenuated Salmonella Typhi bacteria. It helps protect against typhoid fever caused by the bacteria. This vaccine is taken as capsules for oral use. Suitable for travelers to areas where typhoid is common.

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

Vivotif is used to prevent typhoid fever, a bacterial infection spread through contaminated food and water. It is recommended for travelers visiting regions with poor sanitation or high typhoid risk. The vaccine stimulates the immune system to recognize and fight Salmonella Typhi bacteria. It is not a treatment for active typhoid infection.

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

After taking Vivotif, the body’s immune system learns to recognize the weakened bacteria, preparing it to fight future infections. Some people may experience mild stomach discomfort or low-grade fever. These effects are usually temporary and indicate the body’s response to the vaccine.

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

Store Vivotif capsules in a refrigerator between 2°C and 8°C. Keep the vaccine in its original packaging to protect it from light. Do not freeze or expose the capsules to heat. Discard any capsules left unused after the expiration date. Consult a healthcare provider before use if you have a weakened immune system.

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

Avoid taking Vivotif with antibiotics or other live vaccines, as they may reduce its effectiveness. Do not use Vivotif within 72 hours of taking chloroquine or similar malaria medications. Inform your healthcare provider about all medications and vaccines you are currently taking.

Frequently asked questions

How is Vivotif taken?+
Vivotif is taken as capsules by mouth, usually on an empty stomach with a cold or lukewarm drink.
Who should not take Vivotif?+
People with weakened immune systems, acute gastrointestinal illness, or those on antibiotics should avoid Vivotif.
How long does Vivotif protection last?+
Protection from Vivotif typically lasts about 5 to 7 years, but booster doses may be needed for continued travel.
Can Vivotif cause side effects?+
Common side effects include mild stomach discomfort, headache, or low-grade fever.
Is Vivotif safe for children?+
Vivotif is approved for children aged 6 years and older. Consult a healthcare provider for dosing guidance.
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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