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(781 ms)

#2893914Apr 23, 2026
Female·0.3 yrs·KY·DTAPHEPBIP, HIBV, PNC20, RV1

Per mom patient started the evening after the vaccines with fever up to 101. Her heart rate was 210. She was grunting and retracting and "lethargic" Mom called ambulance. Baby was taken to the ER. Babygram was negative. Patient was given. Patient became stable…

LethargyPyrexiaX-ray normal
#2893915Apr 23, 2026
Female·2.9 yrs·CT·PNC20

Leg started to have pain. Area around injection site red raised warm. Swelling went to buttock area Child could not weight bear. Bath, clay, arnica, Motrin

Injection site erythemaInjection site painInjection site warmthSwelling
#2893917Apr 23, 2026
Female·59 yrs·MA·PNC13

pt reports right knee edema, 2-3x larger, poor mobility. Pt also reports fever, aches all over, rash to upper arms, fatigue

FatigueMobility decreasedOedema peripheralPainPyrexiaRash
#2893921Apr 23, 2026
Unknown·Age unknown·VARZOS

Suspected vaccination failure; Shingles/right now dealing with this; This serious case was reported by a consumer via interactive digital media and described the occurrence of vaccination failure in a patient who received Herpes zoster (Shingles vaccine) for p…

Burning sensationHerpes zosterPainVaccination failure
#2893922Apr 23, 2026
Female·11 yrs·NY·HPV9, MNQ, TDAP

Vasovagal response, fainted shortly after immunization. (10:20AM)

Syncope
#2893923Apr 23, 2026
Male·0.5 yrs·HIBV, PNC20

no adverse reaction

No adverse eventProduct administered to patient of inappropriate age
#2893938Apr 23, 2026
Male·75 yrs·IN·PNC20

Headache; Fatigue; Soreness of joints; Shortness of breath at a mild level; Usually had to get up every 90 to 120 minutes at night to urinate and that went to every 40 to 60 minutes; Resting pulse raised from 54 bpm to 84 bpm / pulse dropped to within 10 bpm o…

ArthralgiaDyspnoeaFatigueHeadacheHeart rate irregularNocturia+1 more
#2893939Apr 23, 2026
Female·Age unknown·PNC20

pneumonia; pneumonia; This is a spontaneous report received from a Consumer (patient) from License Party. Other Case identifier(s): 02946586 (Merck). A 67-year-old female patient received pneumococcal 20-valent conjugate vaccine (diphtheria CRM197 protein) (P…

Drug ineffectiveMalaisePneumonia
#2893940Apr 23, 2026
Female·17 yrs·TX·MNQ

lightheaded, vomitting, seeing stars.

Blood glucose normalDizzinessPhotopsiaVomiting
#2893956Apr 23, 2026
Female·74 yrs·MI·COVID19

*patient is fine* vaccine was in our fridge since 1/13/26, BUD 4/13/26. Rx was given 9 days AFTER BUD.

No adverse eventProduct storage issue
#2893957Apr 23, 2026
Male·75 yrs·MI·COVID19

*patient is fine* vaccine was pulled from freezer on 1/13/26. BUD was 4/13/26. Vaccine was administered 9 days later, after BUD.

No adverse eventProduct storage issue
#2893965Apr 23, 2026
Female·53 yrs·CA·PNC21, VARZOS

Inflamation, Itching, Pain, Redness

ErythemaInflammationPainPruritus
#2893966Apr 23, 2026
Male·0.3 yrs·OK·DTAPHEPBIP, IPV, PNC20

Patient did not have an adverse event, he received 2 injections of inactivated polio vaccine on 4/20/26.

Extra dose administered
#2893967Apr 23, 2026
Female·79 yrs·IN·DF

Severe burning in chest, radiating up into the throat lasting a few minutes. following days afterward short periods of chest burning happening when swallowing. Sometimes my chest feels light pains when breathing. I had an EkG but her appears to not be affected…

Chest painElectrocardiogram normalThroat irritation
#2893968Apr 23, 2026
Female·53 yrs·ME·PNC21

pt reported her arm being itchy/red/hot since her vaccine on saturday, came to me on thursday late afternoon. area of redness only about 1.5 inches in diameter, but patient reported feeling hot/cold/feverish so I recommended that she go to walk in care to get…

CellulitisErythemaFeeling of body temperature changePruritusPyrexiaSkin warm
#2893969Apr 23, 2026
Female·1 yrs·CA·DTPPVHBHPB

provider ordered varicella , mmr & Haempohilius, patient was administered mmr vaxelis & haemphilus , called patients mother

Wrong product administered
#2893970Apr 23, 2026
Male·1.7 yrs·WA·DTAP, HEP

Patient is a 1 year 8 month old presenting for a wellness visit. Patient is due for Hep A and Dtap at this age. I took vaccines out of the refrigerator after getting immunization consent form signed by parent. I had a fellow MA verify the vaccines and at the t…

Wrong product administered
#2893983Apr 23, 2026
Male·35 yrs·CA·HEPAB, TDAP

After vaccination at 04:00pm, pt started feeling very dizzy. He started sweating, was very pale, had blurry vision, difficulty hearing. Blood pressure was measured to be very low, approximately 70/40. I administered 1 dose of Epi-pen approximately 2 minutes af…

DizzinessHyperhidrosisHypoacusisHypotensionPallorVision blurred
#2893984Apr 23, 2026
Male·75 yrs·FL·RSV, VARZOS

half dollar in size, red ring around it, center of ring was green/yellow/purple. on 3-17 saw primary doctor and given antibiotic cream and referred to wound care doctor. states is getting better

Injection site discolourationInjection site reaction
#2893985Apr 23, 2026
Female·69 yrs·CA·VARZOS

For quality, patient reports itchy, painful, red, single, and swollen. For location, patient reports arm (r arm).

ErythemaHerpes zosterPain in extremityPeripheral swellingPruritus
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