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(738 ms)

#2877631Dec 12, 2025
Male·10 yrs·NC·FLU3

swelling and itching at the site

Injection site pruritusInjection site swelling
#2877632Dec 12, 2025
Male·1.3 yrs·ME·FLU3, PNC20, TDAP

Tdap administered in error, was supposed to be Dtap

Wrong product administered
#2877633Dec 12, 2025
SeriousDisabled
Female·26 yrs·FL·COVID19

Approximately two weeks following the 1st dose of the Pfizer COVID vaccine, I developed what presented as a head cold. The symptoms lasted approximately six months, did not respond to the medications (antibiotics, steroids, inhaler) prescribed over the numerou…

Anti-neutrophil cytoplasmic antibody positive vasculitisAntineutrophil cytoplasmic antibody positiveBiopsy kidney abnormalBronchitisEar tube insertionEndoscopy abnormal+14 more
#2877634Dec 12, 2025
SeriousDisabled
Male·53 yrs·COVID19

chronic knee pain/arthritis

ArthralgiaArthritis
#2877635Dec 12, 2025
Female·59 yrs·OH·YF

Client states that she has an itchy, red rash that started last night on her left arm where she had the YF vaccine. Client denies any other symptoms and no fever. Client advised to apply cool pack to arm and that she may take a Benadryl. If she develops a feve…

Injection site pruritusInjection site reactionPyrexiaRash erythematous
#2877636Dec 12, 2025
Female·43 yrs·MI·FLU3

Swelling, erythema, induration and pain -

ErythemaIndurationPainSwelling
#2877637Dec 12, 2025
Female·54 yrs·PA·VARZOS

Right sided upper and lower facial numbness and paresis, most consistent with new-onset Bell's Palsy H-B 4+, gradually progressive

Bell's palsyFacial paresisHypoaesthesia
#2877638Dec 12, 2025
Male·69 yrs·ND·COVID19

Wife called stating on the Tuesday after he had the vaccination, he started complaining of pain in his side. 3 days after this he started with red area and little pustules across his whole side and abdomen.

ErythemaHerpes zosterPainRash pustular
#2877639Dec 12, 2025
Male·25 yrs·SC·COVID19

Neuropathy, brain fog, chills, trouble focusing, digestive issues, muscles twitching, headaches, back of head pressure, exercise intolerance, heat intolerance, temperature (feeling hot or too cold), itchiness randomly, symptoms flare when I get sick, stabbing…

Biopsy skin abnormalBrain fogChillsDisturbance in attentionExercise tolerance decreasedFeeling of body temperature change+11 more
#2877640Dec 12, 2025
Male·Age unknown·FL·HEP

second dose was administered three weeks apart from the first dose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of drug dose administration interval too short in a 38-year-old ma…

Inappropriate schedule of product administration
#2877642Dec 12, 2025
Female·21 yrs·NY·TDAP

Patient experienced swelling and itching to face and throat and difficulty breathing. Evaluated at Emergency Department and received Benadryl 25mg 1Tab by mouth every 6 hours, Dexamethasone 10 mg and famotidine 20mg. Symptoms improved at discharged and Benadry…

DyspnoeaPharyngeal swellingPruritusSwelling faceThroat irritation
#2877643Dec 12, 2025
Female·54 yrs·CA·VARZOS

The left arm became very sore and the upper arm is red and whelped up. My voice is hoarse and my mouth is dry. Today the arm is still very sore and red and have pain between the shoulder blades. Will contact PCP for medical advice.

Dry mouthDysphoniaInjection site erythemaInjection site reactionMusculoskeletal painPain in extremity+1 more
#2877644Dec 12, 2025
Male·0.8 yrs·TX·FLU3

Flu vaccine given too early.

Inappropriate schedule of product administration
#2877645Dec 12, 2025
SeriousHospitalizedLife-threatening
Male·61 yrs·TN·COVID19

TIA, admitted to Emergency Room, 2 day stay then released

Transient ischaemic attack
#2877646Dec 12, 2025
Female·30 yrs·CO·FLU3

Staff who injected the vaccine injected it too high right up against my acromion process. Immediate soreness that was more severe than any other vaccine I have had. Within 48 hours after injection, I could not lay on my right side or touch shoulder without pai…

ArthralgiaImmediate post-injection reactionImpaired work abilityInjected limb mobility decreasedProduct administered at inappropriate siteTenderness+1 more
#2877647Dec 12, 2025
Female·39 yrs·IA·MMR

Vaccine given around 1530, delayed onset of adverse events. Later that evening she had cyclic vomiting and severe nausea that requried medication intervention. States it went on for about 24 hours after vaccination.

Cyclic vomiting syndromeNausea
#2877648Dec 12, 2025
Female·70 yrs·PA·FLU3

Pt states that they entered afib for a period of 25 hours that started at 8pm the evening the shot was given.

Atrial fibrillation
#2877649Dec 12, 2025
Male·72 yrs·VA·PNC20

Injection site is sore and red over entire upper arm (2 days after injection). Headache. Chills. Muscle aches and pains in extremities. Joint pain in elbows, knees, ankles. extreme fatigue -- could not stay awake during the day. Major sweating at night. N…

ArthralgiaChillsFatigueHeadacheInjection site erythemaInjection site pain+3 more
#2877650Dec 12, 2025
SeriousHospitalized
Female·27 yrs·AR·COVID19

-April 3, 2021 I saw [name withheld], MD on, The following issue was addressed: Inflammation of lining of lung. Given predniSONE (DELTASONE). -April 6, 2021 saw [name withheld], MD. The following issues were addressed: Cough and Inflammation of lining of lung…

Abdominal pain upperCardiac ablationChest X-ray normalChest painCoughDifferential white blood cell count abnormal+16 more
#2877651Dec 12, 2025
Male·0.5 yrs·KY·DTPPVHBHPB, PNC20, RV5

Left thigh with two blisters underlying bandaid placed after vaccine administered. Noted the following day (12/10/25) with near resolution at the time of evaluation (12/12/25). Had fever on 12/9/25, subjective low grade fever 12/10/25, no further fevers. Syste…

Injection site vesiclesPyrexia
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