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(873 ms)

#2838156Apr 26, 2025
Female·2.6 yrs·MO·UNK

Patient present with vaccine administrations in bilateral thigh on 04/24/2025. Mother did not bring a detailed record, just a general list of what was given. Yesterday she noticed redness surrounding a white central area that was new. Today the redness is larg…

Injection site discolourationInjection site erythemaInjection site indurationInjection site oedemaInjection site painInjection site pallor+1 more
#2838157Apr 26, 2025
Female·0.3 yrs·CA·DTAPHEPBIP, HIBV, PNC20, RV1

Approximately 18 hours after receiving her 4-month vaccinations, my baby began to experience swelling of the anterior fontanelle, fever, drowsiness, and poor appetite.

Delayed fontanelle closurePoor feeding infantPyrexiaSomnolence
#2838158Apr 26, 2025
SeriousDisabled
Female·78 yrs·ME·RSV

Patient felt unwell after the vaccine with intermittent headaches and ultimately was diagnosed with giant cell arteritis with partial vision loss in 8/2024. She was treated with high dose prednisone and one infusion of Actemra. She is currently tapering her…

Giant cell arteritisHeadacheMalaiseVisual impairment
#2838219Apr 26, 2025
Male·3 yrs·NJ·DTAPHEPBIP, HEPA

Administered Pediarix vaccine (DTaP + Hep B + IPV) and patient should have only received DTaP vaccine.

Wrong product administered
#2828448Apr 25, 2025
Female·57 yrs·PNC21, TDAP, VARZOS, UNK

After the 3rd vaccine (order was shingrix, capvaxive, adacel) patient incoherent then fainted. I administered one dose of epinephrine 0.3mg.; After the 3rd vaccine (order was shingrix, capvaxive, adacel) patient incoherent then fainted. I administered one dos…

IncoherentSyncope
#2830060Apr 25, 2025
SeriousDiedHospitalized
Male·Age unknown·TX·VARZOS

needed assistance to get to the restroom due to balance and weakness; needed assistance to get to the restroom due to balance and weakness; He is diabetic and sugars spiked with inability to regulate; fever; lethargy; Non-traumatic rhabdomyolysis- acute; Acute…

Decreased appetiteDehydrationFeeling abnormalGait disturbancePyrexiaAcute kidney injury+16 more
#2837331Apr 25, 2025
Unknown·Age unknown·ID·VARCEL, HIBV

Caller reported PEDVAX HIB was administered after a temperature excursion. No other information provided. No PQC reported; This spontaneous report was received from an Other health professional and refers to a patient of unknown age and gender. The patient…

No adverse eventProduct storage error
#2837964Apr 25, 2025
Unknown·Age unknown·WI·MMRV

No additional information provided. No additional AE/PQC reported; Nurse calling to report inadvertently administering a dose of PROQUAD outside of time frame in the Prescribing Information. Caller stated dose was administered 40 minutes after reconstitution.…

No adverse eventProduct storage error
#2837965Apr 25, 2025
Male·27 yrs·NY·HPV9

Pharmacist reported that a patient missed his second dose of GARDASIL 9. Product information attached is related to first dose that was administered on 10/22/2024. No additional information available. No additional AE/no PQC.; No adverse event; This spontaneou…

Incomplete course of vaccinationNo adverse event
#2837966Apr 25, 2025
Female·16 yrs·GA·HPV9

No additional AE; HCP calling to report TE's for GARDASIL 9 advised the vaccine was administered to a patient on 03/20/2025.; This spontaneous report was received from a medical assistant and refers to a 16-year-old female patient. The patient's medical hist…

No adverse eventProduct storage error
#2837967Apr 25, 2025
Male·26 yrs·NV·VARCEL

No side effects or symptoms reported. No Additional information provided. No Additional AE/ N; HCP called to report a patient received MMR II (03/01/2025) and then received VARIVAX 7 days later (03/07/2025) instead of the recommended 4-week interval.; This sp…

Inappropriate schedule of product administrationNo adverse event
#2837968Apr 25, 2025
Female·Age unknown·GA·HEPAB, PNC21

The left arm injection site demonstrated continuous bleeding; sickness feeling; the entire upper portion with pain and a little itching; the entire upper portion with pain and a little itching; Lethargy; The patient said that the swelling, redness, and warm…

Injection site erythemaInjection site haemorrhageInjection site painInjection site pruritusInjection site swellingInjection site warmth+2 more
#2837986Apr 25, 2025
Female·47 yrs·NY·VARCEL

Reported by employee: Left arm painful, red and swollen.

ErythemaPain in extremityPeripheral swelling
#2838026Apr 25, 2025
Male·10 yrs·MI·COVID19

none

Unevaluable event
#2838027Apr 25, 2025
Male·9 yrs·TX·HEP, MMR, TDAP

Immediate blurred vision and lethargy, lasting up to 24 hours

Immediate post-injection reactionLethargyVision blurred
#2838028Apr 25, 2025
Female·4 yrs·MA·DTAPIPV, MMRV

4/16 red mark on left arm and reporting left armpit pain, sl swollen and tender, seen in the office 4/24 no longer tender to the touch or with movement. Mark has dulled in color almost looks bruised, no longer arm pit pain. PE dark red blanching, non tender,…

Axillary painOedema peripheralSkin discolourationSkin lesionTenderness
#2838029Apr 25, 2025
Male·15 yrs·NC·HPV9

A third dose of HPV was given that was not needed. Patient had already received two prior doses of HPV. No noted or observed adverse signs or symptoms.

Extra dose administered
#2838030Apr 25, 2025
Male·66 yrs·COVID19

shivering, achy in neck and lumbar and hips, temp 102.6, fatigue. No previous reaction to all other doses and booster in the past.

Body temperature increasedChillsFatiguePain
#2838031Apr 25, 2025
Female·1.2 yrs·PA·HEPA, PNC20

Vomiting in the car on the way home from the doctor

Vomiting
#2838032Apr 25, 2025
Female·1 yrs·MD·COVID19

Vaccination given with Covid 6m-4yr vial that had been mixed the day before on 04/23/2025. Verified the date on the sheet with the vial was 4/23/2025, 3 doses were mixed, one was given and verified on 04/23/2025, the next dose was marked and verified as given…

Circumstance or information capable of leading to medication error
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