Purple Book reference family · 351(a) biologic
Typhoid Vaccine Live Oral Ty21a (Vivotif)
Typhoid Vaccine Live Oral Ty21a is an FDA-licensed reference biologic from Bavarian Nordic A/S.
351(a) biologicBLA 103123 Bavarian Nordic A/S
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
1989
Reference product
Originator biologic
351(a)BLA 103123
Vivotif Typhoid Vaccine Live Oral Ty21a
Bavarian Nordic A/S
View full reference-product record- Approved
- Marketing
- Rx
- Center
- CBER
- Patents
- None listed
Exclusivity & patent cliffs
Protection horizon
Reference approval
Approval date of the reference Typhoid Vaccine Live Oral Ty21a product.
37 yr 2 mo ago
Typhoid Vaccine Live Oral Ty21a: frequently asked questions
Reference exclusivity, biosimilars, interchangeability, and patents for this molecule, from the FDA Purple Book.
Built from official FDA Purple Book records (monthly downloads, the Advanced Search interface, and the published Patent List), with reference-product, license-type, and exclusivity context for Typhoid Vaccine Live Oral Ty21a.
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