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Report #2894706

Received Apr 28, 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
Male
Age
28 yrs
State
NH
Recovered
Unknown
Vaccinated
Mar 27, 2024
Onset
Apr 16, 2026
Days to onset
750
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (HEPLISAV-B)DYNAVAX TECHNOLOGIES CORPORATION1

Symptoms (2)

Inappropriate schedule of product administrationNo adverse event

Symptom narrative

Received First Dose In 2024, and Received Second Dose; Initial report received on 16-Apr-2026. A pharmacist reported that a 30-year-old male (race and ethnicity not provided) received the first dose of HEPLISAV-B (hepatitis B vaccine) in 2024 for hepatitis B immunization and received the second dose two years later. No medical history or concomitant medications were reported. On 27-Mar-2024, the patient received dose 1 of a hepatitis B vaccine [HEPLISAV-B (lot number, expiration date, NDC number, route, and site not available)]. On 16-Apr-2026, the patient received dose 2 of a hepatitis B vaccine [HEPLISAV-B (lot number 947341; expiration date 28-Mar-2028, NDC number 43528-003-05, route not available)] in the left arm. The second dose was given about two years and 18 days after the first. No adverse events were reported. 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.