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(762 ms)

#2876200Dec 3, 2025
Male·44 yrs·CA·FLU3

LEFT arm pain and numbness/tingling

HypoaesthesiaPain in extremityParaesthesia
#2876201Dec 3, 2025
Female·73 yrs·FL·COVID19

Pt had severe headache last year after getting Covid vaccine. She does not get headaches often. She will not be getting one this year.

Headache
#2876202Dec 3, 2025
Male·28 yrs·CA·FLU3

Patient reported left arm twitched upwards during vaccine administration. One day later, patient experienced intermittent mild soreness & intermittent mild burning sensation on left lateral shoulder area & intermittent mild numbness & tingling radiating to 1st…

ArthralgiaBurning sensationContusionEcchymosisHypoaesthesiaMuscle twitching+2 more
#2876203Dec 3, 2025
SeriousDisabled
Female·59 yrs·VA·FLU3

The morning after the shot I felt soreness as expected. The following day the soreness turned into heaviness and seemed to going down my arm. The third day the heavy sensation went down my entire arm and I had some twitching of my left thumb that came and went…

Injection site painLimb discomfortMuscle twitching
#2876204Dec 3, 2025
Female·56 yrs·VA·FLU3

2 days after vaccination developed pain from upper down to lower arm, pain with abduction and range of motion still present 1.5 months and not improving

PainPain in extremity
#2876205Dec 3, 2025
SeriousDisabled
Female·79 yrs·FL·COVID19

Patient states post covid vaccine 2023 she eventually developed breathing problems, left bundle branch block discovered , and eventually diagnosed with heart failure within 6 months if 2023 vaccine. A subquential Pfizer COVID vaccine was given the following y…

Bundle branch block leftCardiac failureDyspnoea
#2876206Dec 3, 2025
Male·1.3 yrs·AZ·TDAP

Provider ordered Dtap at office visit on 12/2/25. This would be patient's 4th Dtap vaccine. Medical assistant gave patient Tdap instead. 12/4/25, RN reviewed vaccine consents from 12/2/25 and noticed the mistake and informed provider and vaccine coordinator. T…

No adverse eventWrong product administered
#2876207Dec 3, 2025
Female·57 yrs·CT·COVID19

After receiving both the first and second covid vaccines I experienced heart palpitations which were something I had never had before but they did resolve after several days. After my 3rd booster dose I began to suffer disabling palpitations in the form of mo…

Cardiac monitoringCardiac stress testChest painDyspnoeaEchocardiogramElectrocardiogram+3 more
#2876219Dec 3, 2025
Male·69 yrs·MS·VARZOS

Patient received first dose of shingles vaccine on 8/28/25, came to the pharmacy 12/3/25 and told pharmacy manager that after receiving vaccine his arm was so sore "for 4-5 days that he could not lift it" and they he had continued to have some pain. In the la…

HypoaesthesiaMobility decreasedPain in extremity
#2876220Dec 3, 2025
Male·29 yrs·FL·TDAP

PATIENT HAS A VASOVAGAL SYNCOPE EPISODE AFTER HE RECEIVED THE TDAP SHOT. HE GOT LIGHT HEADED AND PASSED OUT FOR ABOUT 30 SECONDS. WHEN HE CAME TO HE WAS ABLE TO GET HIMSELF ON THE FLOOR IN THE SUPINE POSITION AND HE RESTED THERE FOR ABOUT 15 MINUTES. WE DID NO…

DizzinessLoss of consciousnessSyncope
#2876221Dec 3, 2025
Male·73 yrs·IL·COVID19, UNK

Patient has been diagnosed with Atrial flutter and heart palpiatations after the administration of the Pfizer Covid vaccination. Primary care and specialists have nor been able to rule out the vaccine as the root cause for the ongoing heart issues.

Atrial flutterPalpitations
#2876222Dec 3, 2025
Female·74 yrs·FL·COVID19, UNK

Patient experienced afib in 2023 and 2024 after receiving the covid vaccine. Patient's Cardiologist said there may be a correlation due to the covid vaccine. Afib may occur again if she receives another dose.

Atrial fibrillation
#2876223Dec 3, 2025
Female·74 yrs·FL·COVID19, UNK

Patient experienced afib in 2023 and 2024 after receiving the covid vaccine. Patient's Cardiologist said there may be a correlation due to the covid vaccine. Afib may occur again if she receives another dose.

Atrial fibrillation
#2876224Dec 3, 2025
Female·17 yrs·CA·MNQ, TDAP

redness and swelling, no treatment necessary.

ErythemaSwelling
#2876225Dec 3, 2025
Female·34 yrs·FL·TDAP, TYP, YF

As mentioned on previous. Red spot at site of yellow fever injection. Some dizziness and wooziness for 2 hours post injections.

DizzinessInjection site erythema
#2876226Dec 3, 2025
Male·0.4 yrs·NE·FLU3

Infant given influenza vaccine at 5 months and 2 weeks of age - not recommended for infants under 6 months

Product administered to patient of inappropriate age
#2876227Dec 3, 2025
SeriousLife-threatening
Male·80 yrs·FL·COVID19, UNK

Per patient spouse, patient suffered a stroke soon after first covid vaccination. Unable to dertmine exact date of vaccination - approximately 2021.

Cerebrovascular accident
#2876228Dec 3, 2025
Male·0.5 yrs·UT·DTAPIPVHIB

Seizure occurred 24 hours after vaccination

Seizure
#2876229Dec 3, 2025
Male·20 yrs·CO·MMR

PT GOT AN MMR VACCINE, FEW MINUTES LATER AFTER THE IMMUNIZATION, THE PATIENT EXPERIENCED LIGHT SEIZURE, PASSED OUT, FELL DOWN ON THE FLOOR. OUR PHARMACY CALLED 911 IMMEDIATELY. THEN, THE PATIENT WAKED UP AND FELT DIZZY. WHEN THE EMS CAME, THEY CHECKED PATIENT'…

DizzinessFallHypotensionLoss of consciousnessSeizure
#2876230Dec 3, 2025
Female·56 yrs·NC·PNC20

PATIENT DID NOT HAVE SYMPTOMS OR SIGNS OF ADVERSE REACTION TO VACCINE; REPORTING DUE TO PATIENT PREVIOUS HISTORY OF PREVNAR 20 ON 12/07/2024, THEREFORE UN-NECESSARY REVACCINATION NOT SUPPORTED BY CDC RECOMMENDATIONS

Extra dose administeredNo adverse event
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