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(789 ms)

#2877921Dec 15, 2025
Female·59 yrs·MD·PNC21

Patient reported to the ED on 12/08/2025 and sent a message to her PCP office where she received the vaccine to report that she was experiencing soreness, hardness, and a rash that was spreading from the back of her biceps to down the front and had wheezing, o…

IndurationPain in extremityRashUrticariaWheezing
#2877922Dec 15, 2025
SeriousDisabled
Female·38 yrs·TX·ADEN_4_7

1

Incorrect route of product administration
#2877923Dec 15, 2025
Female·61 yrs·IL·COVID19

While my certified immunizer (pharmacy technician) was giving the COVID vaccine, pt moved/jumped, and the most of the vaccine dribbled down. More than half of the vaccine was left in the syringe. The tech thought that a little bit of vaccine had been entered i…

Circumstance or information capable of leading to medication error
#2877924Dec 15, 2025
Female·Age unknown·CA·UNK

Patient reported that shortly after being vaccinated for COVID-19 they developed complications of/diagnosed with ulcerative colits. Patient did not provide any additional details.

Colitis ulcerative
#2877925Dec 15, 2025
Female·68 yrs·CO·ADEN_4_7

1

Incorrect route of product administration
#2877926Dec 15, 2025
Female·66 yrs·IL·VARZOS

Swelling hard to the touch, Swelling warm to the touch, discomfort on injection site area

Injection site discomfortInjection site indurationInjection site swellingInjection site warmth
#2877927Dec 15, 2025
Male·5 yrs·NY·COVID19

Patient went to nurses office at school multiple times, first time starting 1-2 weeks after second shot (around December 2021/January 2022). He had another incident reported of heart palpitations on 3/3/22.

Palpitations
#2877928Dec 15, 2025
Male·79 yrs·FL·COVID19, FLU3

Patient experencied a severe full back rash about 4 weeks after getting the vaccine; went to see a doctor and was given a steroid which cleared it up. Patient started to feel itching on hands after the back rash was cleared. Patient went to visit a dermatologi…

PruritusRash
#2877929Dec 15, 2025
Female·74 yrs·CA·COVID19

Feeling of pins and needles all over the body, mainly in hand and feet., itching. feeling as if beaten by an insect. Xylocaine 5%, Neurontin 100 mg, Zyrtec

Blood test normalParaesthesiaPruritus
#2877930Dec 15, 2025
Female·62 yrs·VA·COVID19, UNK

Sinus infection-antibiotic

Sinusitis
#2877931Dec 15, 2025
SeriousDisabled
Female·33 yrs·IN·ADEN_4_7

1

Incorrect route of product administration
#2877932Dec 15, 2025
Female·14 yrs·GA·MENB

System record showed 2nd MenB recommended because pediatrician had given the first dose too early. Vaccine was given at age 14, but should be 16 if not high risk. Talked with parent who states child was not high risk. No adverse reaction, no side effects.

Inappropriate schedule of product administrationNo adverse event
#2877933Dec 15, 2025
Female·63 yrs·OK·PNC21

Redness, warmth, pain starting the night of the vaccine. Has traveled further distally each day.

ErythemaPainSkin warm
#2877934Dec 15, 2025
Female·81 yrs·OH·COVID19

Patient received vaccine 11/4/25 following appointment with doctor in the same facillity. The next morning patient complained of full body joint aching from neck to toes. Later that afternoon she fainted and was unable to get up after regaining consciousness f…

ArthralgiaChillsDysstasiaLoss of consciousnessSyncope
#2877935Dec 15, 2025
SeriousDisabled
Male·33 yrs·CA·ADEN_4_7

1

Incorrect route of product administration
#2877936Dec 15, 2025
Male·34 yrs·CA·FLU3

Approximately 72 hours after receiving vaccine developed dermatographic urticaria which has slowly improved over the past two months. No constitutional, laryngeal, or systemic symptoms.

Mechanical urticaria
#2877937Dec 15, 2025
Female·0.5 yrs·IA·DTAPHEPBIP, HIBV

Patient was seen for 6 month well child visit. HIB antigen was mixed with pediarix prefilled syringe instead of sterile diluent syringe. There are no known adverse effects at this time. Patient did not need another office or clinic visit due to this.

No adverse eventProduct preparation issue
#2877938Dec 15, 2025
Female·18 yrs·UT·FLU3

SENIOR DOSE FLUAD GIVEN IN ERROR TO 18 YEAR OLD

Incorrect dose administered
#2877939Dec 15, 2025
Female·69 yrs·NC·COVID19

Patient experienced nausea, vomiting, diarrhea, and fever following her Comirnaty covid booster.

DiarrhoeaNauseaPyrexiaVomiting
#2877941Dec 15, 2025
SeriousHospitalizedDisabled
Female·87 yrs·IL·COVID19, FLU3

11/2/25 afib with rapid ventricular response, 11/3/25 confusion/encephalopathy, no other cause found for confusion despite extensive testing

Atrial fibrillationComputerised tomogram normalConfusional stateElectroencephalogram abnormalEncephalopathyMagnetic resonance imaging normal
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