VAERS Explorer

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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

1,929,324 reports(762 ms)

#2833874Mar 31, 2025
Male·Age unknown·NY·MMRV

Patient received MMRV instead of MMR. No adverse reaction observed after vaccine administration. No treatment, patient to be monitored for febrile seizure.

No adverse eventWrong product administered
#2833875Mar 31, 2025
Male·16 yrs·LA·MENB

Soreness, headache, neck pain, URI symptoms

Bacterial test negativeHeadacheNeck painPainRespiratory symptomViral test negative
#2833876Mar 31, 2025
Male·31 yrs·TX·HEPAB, HPV9, MNQ

PATIENT FAINTED AFTER RECEIVING THE ABOVE VACCINES

Syncope
#2833877Mar 31, 2025
Female·10 yrs·NY·HPV9

Approximately 2-3 minutes after administration, patient stood up off exam table next to father. While speaking with father, she stated to him that she felt tired. Per father, patient then started shaking and went limp in his arms. He lifted her to lay her on t…

Blood glucose normalFatigueHypotoniaTremor
#2833878Mar 31, 2025
Female·56 yrs·SC·MMR

Hives on thighs began morning of 3/27/25. Spread to torso 3/29, tops of hands and toes 3/30, cheeks 3/31.

Urticaria
#2833879Mar 31, 2025
Female·18 yrs·AZ·VARCEL

acute complication or sequalae . Patient was non-verbal and hearing impaired. After receiving vaccine, caregiver translated that she would have to wait for 15 minutes to monitor post vaccine observation. Patient began having anxiety and in the waiting area an…

AnxietyPanic attack
#2833880Mar 31, 2025
Male·64 yrs·CO·MMR

Patient only receive diluent and cause patients arm to spasm and had muscle pain at injection site for about 36 hours

Injection site painMuscle spasmsProduct preparation issue
#2833881Mar 31, 2025
Female·2 yrs·TX·MMR

ITP

Immune thrombocytopeniaPlatelet count decreased
#2833882Mar 31, 2025
Female·55 yrs·FL·PNC21

Swelling , redness at the injection arm with irregular borders, Pt states it is progressve spreading or worsening.

Injection site erythemaInjection site swelling
#2833883Mar 31, 2025
Female·52 yrs·CA·PNC20

patient states on day 2 to 3 there was lump and itchy size of dim; day 5 bump raised hard painful bump no response to antihistamine and ice. next day ( 6) doubled in size. edges are red and swelling. after 2 doses of antibiotic bump fading

ErythemaIndurationMassPainPruritusSwelling
#2833884Mar 31, 2025
Male·54 yrs·MMR

patient was vaccinated with priorix on 3/29/25 by intramuscular route. I checked up on him on 3/31/25 and he was fine. He said he did not experience any adverse effects other the usual ones from his previous vaccinations.

Incorrect route of product administrationNo adverse event
#2833885Mar 31, 2025
Female·25 yrs·FL·HEP

Itching and redness at injection site started today at 3pm and reported immediately to pharmacist. Patient applied hydrocortisone cream at injection site and that has minimized the itching. Patient did indicate she has been using fragranced soaps-- applied a…

Injection site erythemaInjection site pruritus
#2833886Mar 31, 2025
Female·69 yrs·NY·COVID19

Patient called today and reports she has developed a lump in her muscle that she describes "as a sausage that is hard as a rock" that expands expands across her neck, down her shoulder and on her arm on the right side of her body. She says it is swollen and pa…

Muscle swellingMyalgiaMyosclerosis
#2833887Mar 31, 2025
Female·36 yrs·WA·HEPA

Shoulder injury related to vaccine administration. Ongoing left shoulder pain, not improving after several months.

ArthralgiaShoulder injury related to vaccine administration
#2833888Mar 31, 2025
Female·7 yrs·NV·COVID19

Vaccine administered after the BUD (Beyond use date)

Expired product administered
#2833889Mar 31, 2025
Female·0.5 yrs·WA·DTPPVHBHPB, PNC20, RV5

16 hours after the vaccines, the next day, 8:30 am patient had 45 second seizure. Went to the ED and she had a fever 102deg. Otherwise was not ill. Recovered quickly. Diagnosed with febrile seizure. Already followed by neurology due to history of another…

Febrile convulsionInfluenza virus test negativePyrexiaSARS-CoV-2 test negativeUrine analysis normal
#2833894Mar 31, 2025
SeriousHospitalized
Female·3 yrs·PA·PNC13

Acute worsening of right upper arm swelling, warmth, and pain. Admitted to the hospital with right upper arm cellulitis requiring IV antibiotics and MRI imaging to r/o septic arthritis.

Injection site cellulitisInjection site painInjection site swellingInjection site warmthMagnetic resonance imaging joint
#2833895Mar 31, 2025
SeriousHospitalizedDisabled
Female·47 yrs·AL·COVID19

TINNITIS, BUZZING IN EAR, HEARING LOSS, VASCULITIS, BELL'S PALSY, PERIPHERAL VISION DISTURBANCE, BRAIN LESIONS,VESTIBULAR DISEASE, NMO,SUSAC SYNDROME, STROKE, BALANCE ISSUEAS, VERTIGO, 3RD CRANIAL NERVE PALSY, BRAIN FOG, THYROID NODULES, EAR TUBE PLACEMENT, TR…

Balance disorderBell's palsyBiopsy thyroid glandBrain fogCentral nervous system lesionCerebrovascular accident+15 more
#2833896Mar 31, 2025
Female·53 yrs·IL·PNC21, VARZOS

Patient said next day after she noticed arm was warm to touch and had a rectangular red area 3 in by 2 in seems to be growing, she did take ibuprofen and tylenol and did put a cool compress on site. She reported to pharmacist on 3-31-25 at approximately 6:00pm…

Injection site erythemaInjection site warmth
#2833897Mar 31, 2025
Male·79 yrs·CO·COVID19

This was 4th COVID shot, all Moderna: 1/11/21 (027L20A), 2/10/21, (024M20A), 10/31/21 (058F31A), and 5/6/22 (057M21A). Starting mid summer 2024, began feeling significantly greater fatigue during mild-to-moderate exercise than usual. This has continued to…

Cardiac stress testCatheterisation cardiacElectrocardiogramFatigueSleep studyUltrasound scan
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