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Report #2860293

Received Sep 22, 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
Unknown
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
Aug 8, 2025
Onset
Aug 8, 2025
Days to onset
0
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (HEPLISAV-B)DYNAVAX TECHNOLOGIES CORPORATION1——
SMALLMNKSMALLPOX + MONKEYPOX (JYNNEOS)BAVARIAN NORDICUNK——

Symptoms (1)

Wrong product administered

Symptom narrative

Received JYNNEOS instead of HEPLISAV-B; Initial report received on 08-Aug-2025. A consumer reported that a patient (age and gender not provided) received HEPLISAV-B (hepatitis B vaccine) for hepatitis B immunization and then received JYNNEOS instead of HEPLISAV-B as the second dose. No medical history or concomitant medications were reported. On an unknown date, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot number, expiration date, NDC number, route, and site not available)]. On 08-Aug-2025, after receiving HEPLISAV-B, the patient presented to the pharmacy for the second dose of HEPLISAV-B. The patient asked the pharmacy technician if they had the monkey pox vaccine and received JYNNEOS intramuscularly (lot number, expiration date, and site not provided) in error. On 08-Aug-2025, approximately 1 hour after receiving JYNNEOS instead of HEPLISAV-B, the patient received a call from the pharmacy informing the patient of the pharmacy's error. No other information was available. Company Comment: The company assessed the event as non-serious.; Sender's Comments: The company assessed the event as non-serious.