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Report #2866242

Received Oct 16, 2025

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Male
Age
Age unknown
State
OR
Recovered
Unknown
Vaccinated
Oct 6, 2025
Onset
Oct 6, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
UNKVACCINE NOT SPECIFIED (NO BRAND NAME)UNKNOWN MANUFACTURERUNK300214AIM

Symptoms (2)

Expired product administeredNo adverse event

Symptom narrative

Received expired BioThrax vaccine; This initial spontaneous case report was received on 06OCT2025, and additional information was received on 09OCT2025 from physician assistant regarding a male adult patient who was "received expired BioThrax vaccine" (PT: Expired product administered). The patient's concomitant medications, concurrent conditions and allergies were not reported. On 06OCT2025, patient administered expired BioThrax [(Anthrax Vaccine); lot number: 300214A, 0.5 mL, intramuscularly) for immunization. A Physician Assistant (PA) reported that the administration of expired BioThrax vaccine as described on the labeling, 0.5 mL intramuscularly. The PA reported that five adult patients, aged between 20 and 30 years, received BioThrax vaccine doses. Among them, two patients were female and three were male. None of the patients had any underlying health issues or prior adverse reactions to vaccinations. Two patients received BioThrax as their annual booster dose, two patients received it as their first-ever dose, and one patient received it as the third dose in the six-dose primary series. The PA reported that the expiration dates on the BioThrax packaging were unclear. The carton displayed the date as "11082025," while the vial label stated "11Aug2025". Following administration, the PA reported that none of the five patients experienced any side effects. There was no lab/imaging reported. The outcome of reported events was not applicable. No additional information was reported. Based on the available information in the source document, five individual case safety reports (25000053 through 25000057, three male, two female cases) were created and linked in the database as reported by same reporter.; Sender's Comments: US-EMERGENT BIOSOLUTIONS-25000154:Linked case-same reporter US-EMERGENT BIOSOLUTIONS-25000155:Linked case-same reporter US-EMERGENT BIOSOLUTIONS-25000156:Linked case-same reporter US-EMERGENT BIOSOLUTIONS-25000157:Linked case-same reporter

Medical history

Comments: Patient history: unknown