VAERS Explorer
Back to explore

Report #2897950

Received May 26, 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
Female
Age
22 yrs
State
AZ
Recovered
Not recovered
Vaccinated
May 15, 2026
Onset
May 16, 2026
Days to onset
1
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
HEPHEP B (HEPLISAV-B)DYNAVAX TECHNOLOGIES CORPORATION1946910IM / RA

Symptoms (1)

Headache

Symptom narrative

Employee reports that the day after the vaccination she began having headaches. Headache is limited to the frontal part of the head above the eyes. Employee states that the headache responded to OTC Tylenol and that the headaches resolved the following day (17 MAY 2026). Employee has no prior history of headaches. After the headaches resolved, and still occurring, the employee reports that when she yawns, there is pain across the forehead localized to the same region as the headache.

Current illness

N/A

Medical history

N/A

Other medications

N/A

Allergies

N/A

Lab data

N/A