Flublok Quadrivalent Northern Hemisphere

Product NDC: 49281-721
11-digit product format: 492810721
Labeler code: 49281
Product ID: 49281-721_638284a4-c749-45cf-b72b-0b586ba4a8e9
Type: VACCINE
Nonproprietary name: INFLUENZA A VIRUS A/WISCONSIN/588/2019 (H1N1) RECOMBINANT HEMAGGLUTININ ANTIGEN, INFLUENZA A VIRUS A/TASMANIA/503/2020 (H3N2) RECOMBINANT HEMAGGLUTININ ANTIGEN, INFLUENZA B VIRUS B/WASHINGTON/02/2019 RECOMBINANT HEMAGGLUTININ ANTIGEN, and INFLUENZA B VIRUS B/PHUKET/3073/2013 RECOMBINANT HEMAGGLUTININ ANTIGEN
Dosage form: INJECTION
Route: INTRAMUSCULAR
Labeler: Sanofi Pasteur Inc.
Application: BLA125285
Marketing category: BLA
Marketing start: 2021-07-02
Marketing end: 2022-06-30
Substance: INFLUENZA A VIRUS A/WISCONSIN/588/2019 (H1N1) RECOMBINANT HEMAGGLUTININ ANTIGEN; INFLUENZA A VIRUS A/TASMANIA/503/2020 (H3N2) RECOMBINANT HEMAGGLUTININ ANTIGEN; INFLUENZA B VIRUS B/WASHINGTON/02/2019 RECOMBINANT HEMAGGLUTININ ANTIGEN; INFLUENZA B VIRUS B/PHUKET/3073/2013 RECOMBINANT HEMAGGLUTININ ANTIGEN
Active strength: 45 ug/.5mL; ug/.5mL; ug/.5mL; ug/.5mL
NDC exclude flag: No
Listing certified through: 0000-00-00
Current FDA listing: Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 2 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Reporting period	Source date
excluded product	product	49281-721		D	Discontinued by firm		2026-08-03
excluded package	package	49281-721	49281-721-10	D	Discontinued by firm		2026-08-03

Observed NDC auxiliary status history#

This history shows the information present in each captured FDA auxiliary file. It is not a continuous regulatory timeline, and a missing record does not establish a status.

Historic NDC status page 1 of 1 · 24 matching rows.

View current auxiliary records. · View the auxiliary file history.

Captured / source date, Dataset, Scope table
Captured / source date	Dataset	Scope	Package NDC	Snapshot	Source SHA-256
2025-12-14 17:58 UTC · source 2025-12-05	excluded product	product		`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	49281-721-10	`d630ba8d3edf…`	`732f749b63fb…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded product	product		`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	49281-721-10	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded product	product		`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	49281-721-10	`2ef7874e63bc…`	`57b86245f4fa…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded product	product		`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	49281-721-10	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded product	product		`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	49281-721-10	`cfe11265f3b6…`	`090c488252e2…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded product	product		`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	49281-721-10	`cdf11ea48f46…`	`ba0047e9e063…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded product	product		`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	49281-721-10	`302b2466d912…`	`e7b80fea0513…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded product	product		`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	49281-721-10	`ed331223b511…`	`672a5bd82f5f…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded product	product		`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	49281-721-10	`0efc9e666f02…`	`f202fb6c5f17…`
2024-11-09 02:27 UTC · source 2024-11-08	excluded product	product		`ad56d346431e…`	`cc804d4bbf1e…`
2024-11-09 02:27 UTC · source 2024-11-08	excluded package	package	49281-721-10	`ad56d346431e…`	`cc804d4bbf1e…`
2024-10-04 04:10 UTC · source 2024-10-03	excluded product	product		`367a005e9d99…`	`383a685ebd0f…`
2024-10-04 04:10 UTC · source 2024-10-03	excluded package	package	49281-721-10	`367a005e9d99…`	`383a685ebd0f…`
2024-07-10 04:00 UTC · source 2024-07-09	excluded product	product		`557ba5c1ecfa…`	`9c80585c8c6e…`
2024-07-10 04:00 UTC · source 2024-07-09	excluded package	package	49281-721-10	`557ba5c1ecfa…`	`9c80585c8c6e…`

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
49281-721-10	ML - Milliliter	49281-721	2b1f1b8a-8187-45ae-953a-9fe5c43aeaee	1	2021-08-05
49281-721-88	ML - Milliliter	49281-721	d11a2ddf-e980-4f5a-82e5-3c64845f40bc	1	2021-08-05

Purple Book Biologic Products#

BLA, Proprietary name, Proper name table
BLA	Proprietary name	Proper name	License type	Status	Latest source
125285	Flublok	Influenza Vaccine	351(a)	Rx	2026-06-01

UNII, Preferred term, Matched term table
UNII	Preferred term	Matched term
POQ8DQO9S3	INFLUENZA B VIRUS B/PHUKET/3073/2013 RECOMBINANT HEMAGGLUTININ ANTIGEN	INFLUENZA B VIRUS B/PHUKET/3073/2013 RECOMBINANT HEMAGGLUTININ ANTIGEN

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
49281-721-10	49281072110	10 SYRINGE in 1 CARTON (49281-721-10) > .5 mL in 1 SYRINGE (49281-721-88)	10 syringe	2021-07-02	2022-06-30	No	No	Current