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1,929,324 reports

#2894606Apr 27, 2026
Female·11 yrs·HPV9, MNQ, TDAP

Prolonged swelling, redness, warmth around injection site lasting 4 days. Resolved after day 4

Injection site erythemaInjection site swellingInjection site warmth
#2894607Apr 27, 2026
Male·73 yrs·WI·COVID19

sudden loss of energy at 23 hours, onset of fever at 25 hours, fever spikes about 30 hours at 102.6, at 33 hours fever dowsn to 101.3 , at 42 hours temp normal at 106.2. these hours are very close to accurate and are all…

AstheniaPyrexia
#2894608Apr 27, 2026
Female·65 yrs·TX·VARZOS

Patient reported getting tension headache tuesday night and then fever 110F started wednesday morning and lasted until thursday night. Patient contacted their Dr and Dr told them to go to the ER on Wednesday. Patient was…

Injection site painInjection site swellingPyrexiaTension headache
#2894609Apr 27, 2026
Male·70 yrs·PA·FLU3

Guillain Barré Syndrome, ascending weakness bilateral lower extremities with pain, no respiratory involvement, resolved slowly over 7 months, no treatment given, diagnosis made in April, 2026.

Guillain-Barre syndromePain in extremity
#2894610Apr 27, 2026
Female·61 yrs·CA·PNC21, TDAP, VARZOS

4/25/26 patient received 3 vaccines. She received both Shingrix and Capvaxive in her left arm and Adacel in her right arm. Shingrix Left Arm Lot TL74Y Exp 5/19/28 Capvaxive Left Arm Lot Z013052 Exp 5/30/27 Adacel Right A…

Injection site erythemaInjection site mass
#2894611Apr 27, 2026
Female·77 yrs·WA·VARZOS

Patient was supposed to receive RSV vaccine but received Shingrix instead. This made it their 3rd dose of Shingrix. Previous Shingrix 7/17/23 and 10/25/23

Extra dose administeredWrong product administered
#2894650Apr 27, 2026
Female·23 yrs·WV·HPV9, MENB

Pt. c/o right arm redness, swelling, pain, hot to touch, rash without raised bumps. Went to facility, HCP gave her dose of Benadryl and a prednisone steroid pack for a 5 day course. Spoke to pt. on 4/27/26, stated her ar…

Injection site erythemaInjection site painInjection site swellingInjection site warmth
#2894273Apr 26, 2026
Female·62 yrs·CT·VARZOS

angioedema to lips and face

Angioedema
#2894274Apr 26, 2026
SeriousHospitalized
Male·67 yrs·OK·COVID19

Blood clots

Thrombosis
#2894275Apr 26, 2026
Female·75 yrs·NC·HEPAB, RSV

patient broke out in Hives the night of the vaccine

Urticaria
#2894276Apr 26, 2026
Female·80 yrs·MI·VARZOS

Developed low fever [99.7] and flu-like symptoms (achy muscles, fatigue, fever) which lasted 36 hrs.

Influenza like illness
#2894277Apr 26, 2026
Female·64 yrs·PA·COVID19, FLU3

Patient reported pain and lump in right upper arm at injection site that develeoped approximately 1 week after receiving the covid vaccine 11/13/25. Patient reported the Covid vaccine was given in that arm. Documentation…

Injection site massInjection site painMagnetic resonance imagingMass excisionUltrasound scan abnormal
#2894278Apr 26, 2026
Male·82 yrs·TN·PNC15

Prolonged itching at and around the injection site. Itching is bothersome but not life threatening or affecting swallowing or breathing

Injection site pruritus
#2894279Apr 26, 2026
Female·16 yrs·NY·HEPA, HPV9

Minor recently transferred to facility. Immunizations verified and entered into database. Database recommended second dose of Hep A, third dose of HPV, Mening B. Administered vaccines as recommended/ordered. While docume…

Extra dose administered
#2894280Apr 26, 2026
Male·54 yrs·KS·COVID19

Unknowingly was in AFIB and went to the ER on 06/20/22. I was admitted into the hospital and was in the ICU for 5 nights. I had an ICD implanted on 03/24/23.

Atrial fibrillationImplantable defibrillator insertionIntensive care
#2894281Apr 26, 2026
Male·16 yrs·NY·HEP

Minor recently transferred to facility. Immunizations verified and entered into system. System recommended third dose of Hep B. Administered vaccines as recommended/ordered. While documenting, noticed that minor received…

Extra dose administeredNo adverse event
#2894282Apr 26, 2026
Female·1 yrs·NY·MMR, PNC15

Presents fever over 101 degrees Fahrenheit. Mild rash on abdomen back and face

PyrexiaRash
#2894283Apr 26, 2026
Female·40 yrs·NY·COVID19

I think this is my third Novavax dose to date--first in over a year-- and I'm very grateful to finally be able to access it as I think this is easier on my immune system than the mRNA options and both are much easier tha…

Breast pain
#2894284Apr 26, 2026
Female·0.2 yrs·MA·PNC13

This was pt's first vaccine at 2 months. We declined the HEP B and she only received the vit K shot in the hospital. She was a normal breastfed baby who had many BM's a day. After receiving this vaccine she could not mov…

Abdominal pain upperAcrochordonAllergy test positiveBlood creatinine decreasedCarbon dioxide decreased+13 more
#2894258Apr 25, 2026
Male·35 yrs·WI·HEP, MMR, TDAP, VARCEL

Individual administered HepB and Tdap in left deltoid without incident before proceeding to administer Varicella in right deltoid. After administration, patient said "I feel like..." before slumping forward, patient seem…

DizzinessLoss of consciousnessPallorRespiratory rate decreasedUnresponsive to stimuli
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