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(724 ms)

#2882426Jan 20, 2026
Male·14 yrs·NC·UNK

Patient received Prevnar20, instead of gardasil. Patietn was not due for Prevnar20. Patients parent was notified of this error and gave verbal understanding. No adverse recaction reported by parent at this time.

No adverse eventWrong product administered
#2882427Jan 20, 2026
Male·62 yrs·FL·MMR, VARZOS

Patient called stating he had eyelid swelling/edema today after receiving the vaccinations yesterday.

Eyelid oedemaSwelling of eyelid
#2882428Jan 20, 2026
Female·4 yrs·TX·MMR

On 08/13/2024 mom reports she got MMR and varicella vaccine, she states after getting vaccine pt has had headaches started that day and have continued. She has 1-2 headaches a month that requires Tylenol and rest. She occasionally will experience stomach aches…

Abdominal pain upperHeadache
#2882429Jan 20, 2026
Male·10 yrs·NC·MMRV, TDAP

Patient received proquad and boostrix on 1/8/26 without being due for these vaccines. No adverse reaction reported at this time.

Inappropriate schedule of product administrationNo adverse event
#2882431Jan 20, 2026
Male·1.3 yrs·MI·DTAPIPVHIB

Pt received a partial vaccination (Hib) of Pentacel in left thigh after being reconstituted with normal saline versus correct diluent. MD, senior staff and patient's parents were notified. Patient given correct dose of Pentacel in right thigh before leaving.

Product preparation error
#2882432Jan 20, 2026
Female·33 yrs·OR·RSV

Pt received RSV (Abrysvo) on 11/3/25 when she was 34w0d pregnant. Then, on 11/14/25, patient received a 2nd dose of RSV (Abrysvo) when she was 35w4d pregnant. RSV (Abrysvo) is meant to be a once dose vaccine. No known adverse event reported from the duplicate…

Exposure during pregnancyExtra dose administeredNo adverse event
#2882434Jan 20, 2026
Female·40 yrs·CA·COVID19

Within a week following the Pfizer vaccine I came down with Covid. I received the Janssen vaccine 8/11/2021 Lot number 043A21A but did not have any issues following. I have consistently had issues since the Pfizer vaccine. I had an increase in migraines, that…

ArthralgiaCOVID-19Laboratory testLoss of personal independence in daily activitiesMigrainePain+4 more
#2882435Jan 20, 2026
Female·35 yrs·TN·HEP

Patient came to clinic requesting Hep B vaccine. Discussed this would be 3rd Hep B vaccine. Patient voiced "Yeah. I don't know the kind I had for the first one." Patient received Heplisav at Health Department on 12/18/2025 as 2nd dose of Hep B. Followed nursi…

Extra dose administeredNo adverse event
#2882436Jan 20, 2026
Female·38 yrs·AZ·FLU3, TDAP

The patient reported localized swelling, redness, warmth, and itching at the site beginning on 01/14/2026. Symptoms persisted for approximately one week and included a palpable bump. The patient reported today 1/20/26 , improvement, with resolution of warmth…

Injection site erythemaInjection site pruritusInjection site swellingInjection site warmth
#2882437Jan 20, 2026
Male·68 yrs·NC·RSV

POTENTIAL ERROR COULD HAVE BEEN MADE WHERE PATIENT DID NOT RECEIVE THE COMBINATION OF THE ADJVANT AND ANTIGEN. PER RECOMMENDATIONS OF INFECTIOUS DISEASE MEDICAL DOCTOR, PATIENT WILL BE OFFERED REPEAT DOSE.

Product preparation issue
#2882438Jan 20, 2026
Male·31 yrs·ME·FLU3

pink hard spots on my skin 3 total. one on my arm, one on my shoulder, one on my back all on my right side. immediately after the shot something looked off about my skin on my arm. there was a spot where i thought the needle went that was pink that wasn't ther…

Injection site erythema
#2882439Jan 20, 2026
Female·1.1 yrs·MI·DTAP, HEP, HIBV, MMR, PNC20, VARCEL

No adverse reaction . Client was given a pediatric Hep B instead of a pediatric Hep A vaccine. Mom was still in office and made aware. She was understanding and will get the pediatric Hep A vaccine next month

No adverse eventWrong product administered
#2882440Jan 20, 2026
Female·2.1 yrs·MI·HEP

No adverse reaction . Client was given a pediatric Hep B instead of a pediatric Hep A vaccine. Mom was still in office and made aware. She was understanding and will get the pediatric Hep A vaccine next month

No adverse eventWrong product administered
#2882441Jan 20, 2026
Female·39 yrs·IA·COVID19

Painful passing of kidney stones and blood clots. Chest pains and heart palpitations, headaches, leg cramps and observable bladder and bowel discomfort. These symptoms have been ongoing for a number of years and each time I feel they are waning, they do not ye…

Abdominal discomfortBladder discomfortChest painHaemorrhage urinary tractHeadacheMuscle spasms+3 more
#2882442Jan 20, 2026
Male·66 yrs·OH·COVID19, FLU3

Blurry and diminishing vision caused patient to ER and eye doctors. Patient stated that he had an appointment to with his eye doctor today 01/20/26. Dr said that patient had fluid build up behind the retina and retina is thinning. Patient has a follow up appoi…

Macular oedemaRetinal degenerationVision blurredVisual impairment
#2882443Jan 20, 2026
Male·3 yrs·GA·MMRV

On Friday, January 16, 2026, I administered the Proquad vaccine to 3 year old, pt in the left arm, subcutaneously. Prior to administering the vaccine, I informed the parent of a possible fever if given as the child's first dose of MMR. Parent agreed to vaccine…

Product administered to patient of inappropriate age
#2882444Jan 20, 2026
Female·1 yrs·MI·MMR, PNC20, VARCEL

Rash on face and chest - typical of measles. NO FEVER. NO OTHER SYMPTOMS.

RashRash morbilliform
#2882445Jan 20, 2026
Male·2 yrs·PA·COVID19

1/2/26 -1/9/26 Otitis Media -on Amoxicillin, COVID vaccine administered 1/9/26, Hives developed 1/11/26 lasted 5 days. URI symptoms 1/15 dx with COVID 1/17, repeat OM on Cefpodoxdine changed to Augmentin 1/19/26.

COVID-19Respiratory symptomUrticaria
#2882446Jan 20, 2026
Female·25 yrs·CA·FLU3

Patient in 28th week of gestation, EDD 4/6/26. Epi Pen deployed and benadryl administered by RN staff

Exposure during pregnancy
#2882447Jan 20, 2026
Male·0.3 yrs·HIBV

HIb vaccine was diluded with sterile water instead of Diluent provided.

Product preparation error
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