Received Dec 29, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| COVID19 | COVID19 (COVID19 (MODERNA)) | MODERNA | UNK | — | — |
Bad arthritis, rheumatoid arthritis; This spontaneous case was reported by a physician and describes the occurrence of RHEUMATOID ARTHRITIS (Bad arthritis, rheumatoid arthritis) in an 8-decade-old female patient who received SPIKEVAX NOS (SPIKEVAX NOS) for COVID-19 prophylaxis. No Medical History information was reported. On an unknown date, the patient received dose of SPIKEVAX NOS (SPIKEVAX NOS) (unknown route) 1 dosage form. On an unknown date, the patient experienced RHEUMATOID ARTHRITIS (Bad arthritis, rheumatoid arthritis) (seriousness criterion medically significant). At the time of the report, RHEUMATOID ARTHRITIS (Bad arthritis, rheumatoid arthritis) outcome was unknown. The action taken with SPIKEVAX NOS (SPIKEVAX NOS) (Unknown) was unknown. For SPIKEVAX NOS (SPIKEVAX NOS) (Unknown), the reporter did not provide any causality assessments. Concomitant medication use information was not provided by reporter. The patient's age was reported as mid 70s. The patient never had rheumatoid arthritis before. Treatment medication use information was not provided by reporter. This case was linked to US-MODERNATX, INC.-MOD-2021-004026 (E2B Linked Report).; Reporter's Comments: Company comment: Patient's elderly age is a confounder. The benefit-risk relationship of product is not affected by this report.; Sender's Comments: US-MODERNATX, INC.-MOD-2021-004026:Same reporter, different patient