Sean Allan v. HHS - Influenza, Guillain-Barre Syndrome (“GBS”) (2026)

Sean Allan filed a petition for compensation under the National Vaccine Injury Compensation Program on October 1, 2025, alleging he suffered from Guillain-Barre Syndrome (GBS) following an influenza vaccination received on October 3, 2022. His GBS symptoms were alleged to have persisted for longer than six months.

The respondent conceded that the petitioner is entitled to compensation, stating that the petitioner satisfied the criteria set forth in the Vaccine Injury Table for GBS, which presumes causation if onset occurs between three and forty-two days after a seasonal flu vaccination and there is no evidence of an alternate cause. The respondent further agreed that the petitioner met all legal prerequisites for compensation.

Based on the respondent's concession and the evidence of record, Chief Special Master Corcoran found that Sean Allan is entitled to compensation.