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(836 ms)

#2878142Dec 16, 2025
Male·52 yrs·WA·VARZOS

Muscle pain in left arm, tiredness, hot, cold, general aches, intensified existing pain in knee. Symptoms went away after 5 days.

ArthralgiaCondition aggravatedFatigueFeeling coldFeeling hotMyalgia+1 more
#2878143Dec 16, 2025
SeriousHospitalized
Male·0.3 yrs·NC·DTAPIPVHIB, PNC20, RV5

He has had congestion over the past week. That afternoon ~4 pm they noted that he had vomited all over himself when they went to wake him up from his nap. Had several more episodes of NBNB vomiting, ~5 in total, and noted he was more sleepy and limp, promptin…

HypotoniaInfantile vomitingIntussusceptionRespiratory tract congestionSomnolenceUltrasound abdomen abnormal
#2878144Dec 16, 2025
Female·7 yrs·MI·DTAP

Patient given was given DTaP and should have been given Tdap. The patient turned 7 Years old on XXXX and Vaccine was given on 10-14-2025. No adverse reactions No harm to the child

No adverse eventWrong product administered
#2878145Dec 16, 2025
Male·44 yrs·WV·FLU3

patient reports hives, tingling and pain at injection site, down the arm and on the neck. reported via email during off hours. Advised to follow up with PCP.

Injection site painInjection site paraesthesiaNeck painPain in extremityUrticaria
#2878146Dec 16, 2025
Male·54 yrs·MI·HEP

Patient was given pediatric dose for birth through 19 years instead of adult dose

Underdose
#2878147Dec 16, 2025
Female·11 yrs·IN·COVID19

Provider accidentally administered the Pfizer COVID Comirnaty 12yrs and older vaccine to the patient, who was 11 years old at time of vaccine administration.

Incorrect dose administered
#2878148Dec 16, 2025
Female·66 yrs·KS·TDAP

Patient developed hives on her arms, thighs and trunk the following day after Tdap injection was given for post puncture injury. Patient is currently receiving chemotherapy treatments. She was seen at our local clinic for a steroid injection on 12/15/2025.

Urticaria
#2878149Dec 16, 2025
Male·65 yrs·MI·HEP

The patient was given Hep B peds/Adol and should have been given Hep B Adult. There was no adverse reaction and patient tolerated well.

No adverse eventUnderdose
#2878150Dec 16, 2025
Male·39 yrs·ANTH

Redness and warmth around the injection site. Erythema spread to patients upper arm. Itchiness noted around the injection site. SX worse 24 hours after injection. Patient seen by health care team 4 days later and sx have been improving.

Injection site erythemaInjection site pruritusInjection site warmth
#2878151Dec 16, 2025
Male·86 yrs·IL·PNC20

A few hours later, had pain in arm, couldn't left it, unable to rest at night. Next day was able to move it a little.

Mobility decreasedPain in extremityPoor quality sleep
#2878152Dec 16, 2025
Female·82 yrs·FL·COVID19

Patient reports developing an itch at the injection site that is still persisting today and does not seem to be going away.

Injection site pruritus
#2878153Dec 16, 2025
SeriousLife-threatening
Male·66 yrs·FL·COVID19

Developed blood clots in left leg within 8-12 months of first vaccine

Deep vein thrombosisUltrasound Doppler abnormal
#2878154Dec 16, 2025
Male·8 yrs·MI·DTAP

none

Product administered to patient of inappropriate age
#2878155Dec 16, 2025
SeriousDisabled
Male·1.5 yrs·FL·DTAPIPVHIB, PNC13

Approximately six weeks after the January 13, 2021 vaccines he stopped using full sentences?he'd had them at sixteen months?and his muscle tone softened; walking turned wobbly, crawling turned awkward. Hypotonia diagnosed by pediatric neurologist: congenital h…

Autism spectrum disorderGait disturbanceHypotoniaLanguage disorder
#2878156Dec 16, 2025
Male·78 yrs·SC·COVID19

Patient came to pharmacy about a comirnaty shot he received on 10/21/25. He had a handwritten note, which read as follows: Today 11/2/25 is the 13th day that I got my covid vaccine which was injected into my left arm on 10/21/25 at Pharmacy. The second day I g…

Injection site painMuscular weaknessPain
#2878157Dec 16, 2025
Female·8 yrs·CT·FLU3

None

Unevaluable event
#2878158Dec 16, 2025
Female·63 yrs·OH·COVID19, FLU3

Smelling smoke or burnt odors all day starting the morning after taking the vaccine. This lasted about 3 weeks, then was smelling it only a few minutes each day for about 3 more days.

Parosmia
#2878159Dec 16, 2025
SeriousDisabled
Female·49 yrs·PA·FLU3

New onset Polymyalgia Rheumatica; symptom onset between 11/8/2025-11/12/2025. First sought medical treatment 11/13/2025, then again 11/19/2025-began steroids and had labs drawn, returned to PCP 11/26/2025 and 12/03/2025; seen by rheumatologist 12/12/2025 who c…

C-reactive protein increasedInflammatory marker testLaboratory test normalPolymyalgia rheumatica
#2878160Dec 16, 2025
Female·71 yrs·FL·COVID19

reported PVC's starting a week after vaccination that required cardiologist visits and medication to resolve

Ventricular extrasystoles
#2878161Dec 16, 2025
Female·64 yrs·OR·HPV9

hives locally

Local reactionUrticaria
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