Thomas Mack v. HHS - Influenza, septic arthritis after shoulder injury related to vaccine administration (2025)
Case summary [AI summaries can sometimes make mistakes]
On September 29, 2022, Thomas Mack filed a petition alleging that an influenza vaccine administered on October 15, 2019 caused a shoulder injury related to vaccine administration. Respondent conceded entitlement in a Rule 4(c) report, stating that the evidence established that Mr.
Mack's septic arthritis was caused in fact by the flu vaccine and that no other cause had been identified. The public entitlement and damages documents do not describe the first shoulder symptoms, infection workup, cultures, surgery or drainage, antibiotic course, hospital treatment, or residual limitations.
Chief Special Master Brian H. Corcoran found entitlement on November 27, 2023.
On October 31, 2025, he adopted respondent's damages proffer and awarded Mr. Mack $172,500.00 for pain and suffering as a lump sum.
Theory of causation
Influenza vaccine October 15, 2019 causing septic arthritis after alleged SIRVA; adult, exact age not stated. ENTITLEMENT CONCEDED; COMPENSATED. Respondent agreed the evidence established septic arthritis was caused in fact by the flu vaccine and no other cause was identified. Public documents lack detailed infection/treatment chronology. Award $172,500 pain/suffering. Chief SM Brian H. Corcoran; petition September 29, 2022; entitlement November 27, 2023; damages October 31, 2025.
Source PDFs
USCOURTS-cofc-1_22-vv-01404