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(820 ms)

#2864013Oct 7, 2025
Male·66 yrs·FL·COVID19

Within 30 minutes my right deltoid (injection site) was very sore (8 of 10), which is much greater than my normal pain factor for vaccine injection sites (3 of 10). From 11 PM (11 hours after the injection) until 2 AM the next day I experienced severe rigors…

ArthralgiaChillsCondition aggravatedDefaecation urgencyDizzinessFatigue+8 more
#2864014Oct 7, 2025
Male·71 yrs·IA·FLU3

left shoulder pain and left arm radiculopathy

ArthralgiaRadiculopathy
#2864015Oct 7, 2025
Female·48 yrs·NH·FLU3

High dose was given to patient instead of regular dose influenza.

Incorrect dose administered
#2864016Oct 7, 2025
Female·82 yrs·WA·TDAP

Lump at injection site, redness, skin warm to the touch. Patient did not report reaction until 10/6/25.

Injection site erythemaInjection site massInjection site warmth
#2864017Oct 7, 2025
Female·23 yrs·MA·FLU3

She received flu vaccine and the minutes after developed throat tightness and full body rash. On initial exam prior to epinephrine she was having noticeable hoarseness and widespread macular rash on face, upper and lower extremities and torso. Exam after epi…

Anaphylaxis treatmentDysphoniaElectrocardiogramRashRash macularTachycardia+1 more
#2864018Oct 7, 2025
Male·14 yrs·AZ·MMRV

Patient was given the wrong vaccine against parental instruction. He was only to receive the MMR vaccine and was given the pro quad (MMR and Varicella) vaccine despite the fact that the parents very clearly requested only the MMR.

Wrong product administered
#2864019Oct 7, 2025
Female·77 yrs·VA·VARZOS

pt says a couple of days after the vaccine she had achiness, headache and felt nauseated. By that night below the injection site above the elbow, she developed a grapefruit size area of inflammation. It was hot to the touch and was very painful. She went to th…

HeadacheInjection site erythemaInjection site inflammationInjection site painInjection site pruritusInjection site swelling+3 more
#2864020Oct 7, 2025
Male·12 yrs·MA·COVID19, FLU3

no adverse event had. gave pediatric moderna, as when patient registered for clini they were 11 years old. Paper said 11, so pediatric vaccine was given. However, pt DOB was the day before clinic, but registration was made prior to this. At th time of vacci…

Incorrect dose administeredNo adverse event
#2864021Oct 7, 2025
Female·0.1 yrs·VA·DTPPVHBHPB, FLU3, PNC20, RV5

We accidentally gave patient a Flu Vaccine at her 2 month visit today though it was intended for her mother. She has not shown any side effects. Just want to report this incident as the vaccine was given too early.

No adverse eventProduct administered to patient of inappropriate age
#2864022Oct 7, 2025
Female·71 yrs·TX·PNC21

Patient came in with redness and swelling at the site of injection 6 days after the dose was given. She complained of itching and proceeded to go the doctor for further care.

Injection site erythemaInjection site swellingPruritus
#2864023Oct 7, 2025
Female·25 yrs·OR·COVID19

Day of vaccine (10/2): Fever of 101 - 102, soreness at site of vaccine, tiredness but with insomnia. Day two (10/3): continued fever and soreness - began heart palpitations, shortness of breath, and arrythmia. Day three (10/4): continued heart palpitations, s…

ArrhythmiaBlood testDizzinessDyspnoeaElectrocardiogramFatigue+6 more
#2864024Oct 7, 2025
Male·44 yrs·NH·FLU3

none

Incorrect dose administered
#2864025Oct 7, 2025
Female·54 yrs·NH·COVID19, FLU3

Shoulder pain HPI: 54 yo member presents with CC of left upper arm pain S/P Covid-19 & Flu vaccine administration. She reports she has not had similar symptoms in the past post-vaccination. She reports the pain is not at the injection site, it's below the inje…

ArthralgiaInjection site painPain
#2864026Oct 7, 2025
Female·72 yrs·MA·PNC20

patient had vaccine at store. she noticed that the injection was given almost at shoulder level. she reported that she has had increased pain and now decreased rom on that extremity, no redness, warmth or swelling noted. she has tried otc pain relief and ic…

Mobility decreasedPainProduct administered at inappropriate site
#2864027Oct 7, 2025
Female·11 yrs·AZ·MMRV

Child was given the wrong vaccine against parents instructions. The only the MMR vaccine was requested at the time instead the Proquad (MMR + Varicella) was given instead even with parents specifically requested to NOT get the Proquad.

Wrong product administered
#2864028Oct 7, 2025
Female·94 yrs·AZ·COVID19

PATIENT IS COMPLAING SHE HAD SEVERAL BUMPS ON HER BODY STARTED LATER DAY IN THE EVENING. SAID SLOWLY REDUCE THE SYMPTOPMS

Rash
#2864029Oct 7, 2025
Male·62 yrs·AK·FLU3

pt reported that rph injected the vaccine and left needle inside his arm for more than 20 seconds. The following day pt noticed shoulder wasn't feeling better. Range of motion limited without pain. Sleeping is nearly impossible as pt could not find a comfortab…

ArthralgiaSleep disorderWrong technique in product usage process
#2864030Oct 7, 2025
Female·67 yrs·VA·COVID19

Within 48 hours I had two bumps on my right check and three on my left. These bumps were not hot, itchy or sore (like a pimple). They had no visible pus in them nor were they hard. They were just red welps. Each day I continued to have more breakouts and b…

Urticaria
#2864031Oct 7, 2025
Female·9 yrs·AZ·MMRV

Child received the wrong vaccination against parents instruction. The parents requested that the child receive the MMR vaccine alone. Instead they received the ProQuad (MMR + Varicella).

Wrong product administered
#2864032Oct 7, 2025
Female·24 yrs·ND·HEP

Pt was given pediatric dose my mistake. Contacted the vaccine manufacturer to discuss recommendations for future vaccinations and any adverse effects to monitor for. Patient was contacted notifying them that the wrong vaccine formula was administered and that…

No adverse eventUnderdose
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