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Report #2884323

Received Feb 4, 2026

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
Unknown
Age
Age unknown
State
NJ
Recovered
Unknown
Vaccinated
Feb 5, 2025
Onset
Feb 17, 2025
Days to onset
12
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
SMALLSMALLPOX (ACAM2000)EMERGENT BIOSOLUTIONSUNK——

Symptoms (2)

IllnessPyrexia

Symptom narrative

Undisclosed Illness w/ Fever; Undisclosed Illness w/ Fever; This initial spontaneous case report was received on 30-Jan-2026 from other health care professional regarding a patient (Donor id:) who had "undisclosed Illness w/ fever" (PT: Pyrexia, PT: Illness) following ACAM2000 administration. The patient's concomitant medications, concurrent conditions and allergies were not reported. On 05-Feb-2025, the patient administered ACAM2000 [Smallpox (Vaccinia) Vaccine, Live; lot number: unknown) for immunization. On 17-Feb-2025, the patient experienced undisclosed Illness with fever. The 4 units (unit no. 9410541820, 9410542432, 9410543684 and 9410544658) were collected between on 17-Feb-2025, 19-Feb-2025, 24-Feb-2025 and 27-FEB-2025 respectively under case number 94125-001373 from patient. The last negative unit date was 10-Oct-2025. There was no lab/imaging reported. The outcome of reported event was unknown No additional information was reported.

Medical history

Comments: Unknown patient history