Sian Haffner v. HHS - Influenza, shoulder injury related to vaccine administration (SIRVA) (2026)

Sian Haffner filed a petition for compensation under the National Vaccine Injury Compensation Program, alleging she suffered a shoulder injury related to vaccine administration (SIRVA) after receiving an influenza vaccination on October 12, 2024. She further alleged that she experienced residual effects for more than six months.

The respondent conceded that Petitioner is entitled to compensation, stating that her alleged injury is consistent with SIRVA as defined by the Vaccine Injury Table and that she satisfied all legal prerequisites for compensation. Based on the respondent's concession and the evidence, the Chief Special Master found Petitioner entitled to compensation, with damages to be determined in a subsequent ruling.