GSK BOOSTRIX False Advertising Class Action Settlement
This settlement closed on June 8, 2026. It resolved a class action against GlaxoSmithKline (GSK) alleging that its 'Big Bad Cough' advertising campaign misled New York residents into getting the Boostrix vaccine primarily to protect others. Eligible claimants who filed in time received either $50 with vaccination proof or $10 without it.
Adults who viewed the Big Bad Cough advertising campaign between 2015-2020, lived in New York or received vaccination there, and received Boostrix between May 20, 2016 and May 20, 2020 to protect someone else from pertussis. Payout: Boostrix vaccination during the class period; $10 without proof. Proof of purchase is optional. Claim deadline: June 8, 2026. Checked against the official settlement source by SettleSignal on June 19, 2026.
Who may qualify
You self-certify the basics when you file — the settlement administrator makes the final eligibility decision.
New York residents who saw GSK's 'Big Bad Cough' advertising campaign between 2015 and 2020 and got the Boostrix vaccine between May 20, 2016 and May 20, 2020 believing it would protect someone else.
Official eligibility wording (read the exact text)
Adults who viewed the Big Bad Cough advertising campaign between 2015-2020, lived in New York or received vaccination there, and received Boostrix between May 20, 2016 and May 20, 2020 to protect someone else from pertussis.
This summary is based on available official settlement sources. The settlement administrator determines eligibility and payment approval.
New to the terms? Plain-English: claim deadline, proof of purchase, administrator, pro rata.
Proof requirements
Proof requirement is currently marked as Optional.
Review the official claim form before submitting any information.
Important dates
How hard is this claim to file?
What the form asks
- — Your legal name, mailing address, and contact information (Your personal records)
- — Check boxes confirming you saw the ad, received BOOSTRIX in New York, and received it to protect someone else (Your memory of the ad campaign and vaccination circumstances)
- — The approximate date you received the BOOSTRIX vaccine during the class period (Medical records, pharmacy receipts, insurance explanation-of-benefits, or personal calendar)
- — The city, state, or facility where you received the BOOSTRIX vaccine (Medical records or pharmacy receipts)
- — The name of the health care provider or pharmacy that gave you the vaccine (Medical records, vaccine card, or pharmacy receipt)
- — The name(s) of the person or people you were trying to protect from pertussis when you got vaccinated (Your personal recollection)
- — Choose one: Venmo, Zelle, virtual prepaid card, or paper check (Your preference)
- — Your signature (or electronic equivalent) and the date you are signing (Sign yourself)
Documents you'll need
Watch out for
- The claim deadline has passed — verify with the settlement administrator whether late claims are accepted
- Women who received BOOSTRIX while pregnant are excluded from the class and cannot claim
- You must have received BOOSTRIX specifically to protect one or more other individuals, not just for your own protection
- Without proof of vaccination you receive a lower payment; attach documentation if available to maximize your payout
- Proof documents must have been created before Feb. 10, 2025 to qualify
We prepare — you file on the official site yourself. This is not legal advice and is not an eligibility decision; the administrator and court decide.
How do I file a claim for this settlement?
This record no longer has an open public claim form — confirm the current status and any next steps on the official source.
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1Go to the online claim form at www.BigBadCoughSettlement.com/submit-claim or download and print the PDF claim form
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2Fill in your name, address, and contact details
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3Check the boxes that confirm you saw the Big Bad Cough ad, received BOOSTRIX in New York or while living in New York, and received it to protect someone else from pertussis
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4Provide the approximate date and location of vaccination, the name of the provider or pharmacy, and the name(s) of the person(s) you sought to protect
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5Attach qualifying proof of vaccination if you have it (optional, but increases payout)
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6Select your preferred payment method: Venmo, Zelle, virtual prepaid card, or paper check
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7Sign and date the form, then submit online or mail to: Big Bad Cough Settlement, Attn: Claim Forms, 1650 Arch St., Suite 2210, Philadelphia, PA 19103
New to settlement claims? How to file safely → · Worried it might be fake? Run the 60-second legitimacy check →
When will I get paid?
- Claims open
- Court approval You are here
- Payments sent
- Distribution complete
The claim window has closed; the settlement is at or awaiting final court approval. Payments typically follow approval and any appeal period.
Verify it yourself
How we verified this record
Optional, but it's the whole point — every field below traces to a named official source we re-check on a schedule.
- Claim deadline the official settlement website · Jun 19, 2026
- Payout details the official settlement website · Jun 19, 2026
- Eligibility the official settlement website · Jun 19, 2026
- Proof requirement the official settlement website · Jun 19, 2026
- Administrator the official settlement website · Jun 19, 2026
- Court case the official settlement website · Jun 19, 2026
- Payment status the official settlement website · Jun 19, 2026
- Official claim link queued for re-check
Every published record clears our source-verification bar; remaining fields are checked one by one on our weekly re-verification pass.
Cross-checked against 1 official source on file.
Checked fields are matched against a named official source and re-checked on a schedule. We show the authority and the date, never our internal evidence link.
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Claim deadline
June 8, 2026
Verified Jun 19, 2026 · against the official settlement website
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Eligibility summary
Adults who viewed the Big Bad Cough advertising campaign between 2015-2020, lived in New York or received vaccination there, and received Boostrix between May 20, 2016 and May 20, 2020 to protect someone else from pertussis.
Verified Jun 19, 2026 · against the official settlement website
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Proof requirement
Optional
Verified Jun 19, 2026 · against the official settlement website
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Payment status
Final approval pending
Verified Jun 19, 2026 · against the official settlement website
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Estimated payout
Boostrix vaccination during the class period; $10 without proof
Verified Jun 19, 2026 · against the official settlement website
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Administrator
Angeion Group
Verified Jun 19, 2026 · against the official settlement website
Show all 7 more verified fields
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Objection deadline
May 11, 2026
Verified Jun 19, 2026 · against the official settlement website
Class members may exclude themselves or object by May 11, 2026.
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Opt-out deadline
May 11, 2026
Verified Jun 19, 2026 · against the official settlement website
Class members may exclude themselves or object by May 11, 2026.
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Class period start
May 20, 2016
Verified Jun 19, 2026 · against the official settlement website
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Class period end
May 20, 2020
Verified Jun 19, 2026 · against the official settlement website
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Court
United States District Court for the Eastern District of New York
Verified Jun 19, 2026 · against the official settlement website
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Court case number
2:21-cv-04869-NJC-AYS
Verified Jun 19, 2026 · against the official settlement website
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Case name
DeCostanzo v. GlaxoSmithKline plc et al.
Verified Jun 19, 2026 · against the official settlement website
Common questions
Is the GSK BOOSTRIX False Advertising Class Action settlement legitimate?
Yes — the GSK BOOSTRIX False Advertising Class Action settlement is a real claims process that SettleSignal tracks from its official source. It is administered by Angeion Group under case 2:21-cv-04869-NJC-AYS in United States District Court for the Eastern District of New York. File only through the official settlement website (www.bigbadcoughsettlement.com); a genuine settlement administrator never charges a fee to file. SettleSignal last checked this record against the official source on June 19, 2026. Always confirm the current details on the official site before filing.
Who may qualify for this settlement?
Adults who viewed the Big Bad Cough advertising campaign between 2015-2020, lived in New York or received vaccination there, and received Boostrix between May 20, 2016 and May 20, 2020 to protect someone else from pertussis.
How much can I get from the GSK BOOSTRIX False Advertising Class Action settlement?
Boostrix vaccination during the class period; $10 without proof. The exact amount you may receive is decided by the settlement administrator based on your valid claim and is not guaranteed; a total settlement-fund figure is shared among all eligible claimants, not paid to each person.
What is the claim deadline?
The claim deadline is June 8, 2026. Confirm the current deadline on the official settlement source before filing.
Do I need proof to claim?
Proof requirement: Optional. The settlement administrator determines what documentation, if any, is required.
What is the current payment status?
Current payment status: Final approval pending. Payments are issued by the administrator after the court process concludes.
When will GSK BOOSTRIX False Advertising Class Action Settlement pay out?
Current payment status: Final approval pending. Class-action payouts typically begin only after final approval and any appeals. See our payout timeline guide.
Where is the official GSK BOOSTRIX False Advertising Class Action Settlement claim form?
The official claim form is hosted by the settlement administrator, Angeion Group. Use the 'Open official claim form' button on this page — never pay a fee to file.
Can I still file a claim?
No. The claim deadline was June 8, 2026, and claims are now closed. New submissions are no longer accepted.
What was the GlaxoSmithKline Boostrix settlement about?
The lawsuit, DeCostanzo v. GlaxoSmithKline, alleged that GSK's 'Big Bad Cough' ad campaign misled New York consumers into getting the Boostrix (Tdap) vaccine under the impression it would shield other people — such as newborns — from whooping cough.
Who qualified for this settlement?
People who lived in New York and both viewed the 'Big Bad Cough' campaign between 2015 and 2020 AND received a Boostrix vaccination in New York between May 20, 2016 and May 20, 2020 with the intent to protect someone else.
How much did claimants receive?
Eligible claimants received $50 if they submitted qualifying vaccination proof, or $10 if they filed without proof.
Who administered this settlement?
Angeion Group served as the settlement administrator. The case was overseen by the U.S. District Court for the Eastern District of New York, with a fairness hearing scheduled for July 2, 2026.
Where to act
When you are ready, you open the official claim form yourself. SettleSignal does not file claims or determine eligibility.
Not ready to file today? Track it free — we'll remind you 30, 14, 7, and 1 day before Jun 8, 2026, and keep your claim details in one place.
Listed on the official settlement website (Angeion Group).
Status history
Every status and verification change we have recorded for this settlement, newest first. We log the date we made each change; we never publish the underlying evidence link.
- Settlement published after verification.
- Verified field details updated from an official source.
Disclaimer
SettleSignal summarizes publicly available settlement information and links to official settlement sources. We are not a law firm, do not provide legal advice, do not submit claims on your behalf, and do not determine eligibility or payout approval. You open the official claim form yourself. Only file a claim if the information you provide is accurate.