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FDA Purple Book · Reference family

Typhoid Vaccine Live Oral Ty21a (Vivotif)

Typhoid Vaccine Live Oral Ty21a is an FDA-licensed reference biologic from Bavarian Nordic A/S. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

1989

Reference approved

Reference product

351(a)BLA 103123

Vivotif Typhoid Vaccine Live Oral Ty21a

Bavarian Nordic A/S

Approved
Dec 15, 1989
Marketing
Rx
Center
CBER
Patents
None listed

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for Typhoid Vaccine Live Oral Ty21a, in chronological order.

  1. Reference approval

    Approval date of the reference Typhoid Vaccine Live Oral Ty21a product.

    37 yr ago

Frequently asked questions

Are there biosimilars approved for Typhoid Vaccine Live Oral Ty21a (Vivotif)?

No 351(k) biosimilars or interchangeable biosimilars referencing Typhoid Vaccine Live Oral Ty21a are listed in the FDA Purple Book yet.

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