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(812 ms)

#2874603Nov 24, 2025
Female·71 yrs·OH·COVID19

Patient stated she received a vaccine at this location. Patient reported blood running down arm at time of injection, ongoing nagging pain down arm and across shoulder, and a knot at the injection site. 'knot went away since then' Patient requested guida…

ArthralgiaInjection site haemorrhageInjection site massPainPain in extremity
#2874604Nov 24, 2025
Male·9 yrs·SD·PNC21

no adverse event for patient. Patient was not to receive this vaccine but either PSV23 or PCV20. Nurse (myself) ordered PCV21 as we don't carry PCV20. Received no warnings or hard stops noting this is only for adults. scanned med and gave, again no warnings…

No adverse eventProduct administered to patient of inappropriate ageWrong product administered
#2874605Nov 24, 2025
Male·60 yrs·OH·FLU3

Patient was under the age indication for the vaccine, no adverse events reported by the patient

No adverse eventProduct administered to patient of inappropriate age
#2874606Nov 24, 2025
Male·9 yrs·MI·DTAP

There was no adverse event. This was an administration error, patient is 9 years old and received a DTap when he should have been given a Tdap. No symptoms, parent was contacted and notified of the error. She was advised that this dose will count in the seri…

No adverse eventWrong product administered
#2874607Nov 24, 2025
Female·64 yrs·IA·COVID19, FLU3

Pt states she awoke with sore left arm that felt as if it were broken.

CellulitisPain in extremity
#2874608Nov 24, 2025
Male·5 yrs·OR·VARCEL

Pt received expired vaccine. Vaccine expired on 11/14/2025 and was administered on 11/19/2025

Expired product administered
#2874609Nov 24, 2025
Female·59 yrs·UT·COVID19

Patient said MNexSpike caused her muscle aches, so much so that she couldn't get out of bed. She also said that if she touched her face, it lit up.

Mobility decreasedMyalgia
#2874610Nov 24, 2025
Female·94 yrs·IN·RSV

felt very poorly started the day she had the vaccine, no energy, malaize and then on Saturday night after receiving vaccine on Thursday Left arm became very swollen, red and itchy

AstheniaErythemaMalaisePain in extremityPruritus
#2874612Nov 24, 2025
Female·64 yrs·WI·COVID19, FLU3

Patient reported feeling very dizzy, blacking out and vomiting. They called an ambulance but did not get taken to hospitals. Ambulance said vitals were normal.

DizzinessFaeces discolouredVomiting
#2874613Nov 24, 2025
Female·60 yrs·LA·FLU3, UNK

3 days later I still have a swollen right arm, itching, muscle pain, fever.

MyalgiaPeripheral swellingPruritusPyrexia
#2874614Nov 24, 2025
Serious
Female·0.3 yrs·TX·DTPPVHBHPB, PNC20, RV5

Patient had mild fever then parents reported a seizure 7 hours after immunizations. Patient was seen in the ER and started on Keppra 200 mg po twice daily and Valtoco nasal spray for status epilepticus

Blood cultureBlood gasesCulture urineFull blood countMetabolic function testPyrexia+4 more
#2874615Nov 24, 2025
Female·39 yrs·NY·COVID19

The patient received the COVID vaccine and a couple of minutes later was lightheaded and needed to sit down. Water was given and EMS was called for patient safety.

Dizziness
#2874616Nov 24, 2025
Female·85 yrs·NC·RSV, VARZOS

developed a cold sore on lip a couple of days after shot; improving with Valacyclovir x1 day

Oral herpes
#2874617Nov 24, 2025
Female·13 yrs·HPV9

After the patient's annual well child check, MA administered patient's HPV shot (2nd) in the left arm and flu (had multiple prior) in the right. Patient was sitting at the end of the exam table and fell back on the table and became unresponsive. MA yelled for…

Abdominal painFallFatigueLimb discomfortMuscle rigidityPostictal state+1 more
#2874618Nov 24, 2025
Male·47 yrs·CA·VARZOS

The Shingrix vaccine was administered to the wrong patient. Patient was informed about vaccine error, provided VIS on Shingrix vaccine, and monitored for 15 minutes. No adverse reactions observed or reported. The next day on 11/21/2025, a telephone call follow…

No adverse eventWrong patient received product
#2874619Nov 24, 2025
Male·16 yrs·FLU3, HEPA, MNQ, TDAP

Approximately 8?12 hours after vaccination on 19-Nov-2025, patient developed fever (101.8 °F), chills, sore throat, ear pain, and a rapidly progressive, intensely pruritic maculopapular rash starting on face/trunk and spreading to near-confluent on torso, extr…

ChillsEar painOropharyngeal painPyrexiaRashRash maculo-papular+2 more
#2874620Nov 24, 2025
Female·54 yrs·VA·FLU3

per patient report, felt pain in shoulder soon after administration. pain did not subside after several weeks, patient scheduled appt with pcp to discuss

ArthralgiaBursitisMagnetic resonance imaging abnormalMagnetic resonance imaging jointX-ray limb
#2874621Nov 24, 2025
Male·4 yrs·PA·FLU3

Had to double stick the patient. Needle was inserted into the patient and patient immediately jerked away with no dose administered. I replaced the needle, re-sanitized the skin, and successfully administered the shot. This took place over the course of 30 sec…

Circumstance or information capable of leading to medication error
#2874622Nov 24, 2025
Female·0.5 yrs·MI·MNQ, PNC20

Medical assistant administered Menveo one vial vaccine to patient. MD note stated patient needed Prevnar 20 and Menveo 0.5 ml IM at vaccine appointment on 11/24/25.

Product dose omission issue
#2874623Nov 24, 2025
Male·7 yrs·OR·FLU3

PATIENT WAS INADVERTENTLY ADMINISTERED FLUBLOK WHICH IS APPROVED FOR 9 YRS AND OLDER. THE ERROR WAS IDENTIFIED WHILE ADDRESSING THIRD PARTY REJECTS. PER PHONE CONVERSATION WITH THE PATIENT'S FATHER, PATIENT DID NOT EXHIBIT ANY ADVERSE SIGNS OR SYMPTOMS FOLLOWI…

No adverse eventProduct administered to patient of inappropriate age
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