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(787 ms)

#2898386May 29, 2026
Male·0.2 yrs·KS·RV1

Patient had couple small dots of blood in the patient's stool. This happened twice. Pt was seen in Urgent care on 5/22 and then patient follow up with Primary care office on 5/29/26.

Faecal occult blood negativeHaematochezia
#2898387May 29, 2026
Female·64 yrs·ND·PPV

Developed pain, redness and warmth over the left deltoid the day of administration. She subsequently developed body aches, chills and malaise, nausea and lymphadenopathy. We treated her with Keflex 500 mg 4 times daily for 5 days in the context of cellulitis.

ChillsInjection site cellulitisInjection site erythemaInjection site painInjection site warmthLymphadenopathy+3 more
#2898388May 29, 2026
Female·0.2 yrs·VA·RSV

May 23 felt tired and light headed by May 25 serve muscle and back pain on the right side. It became hard to walk. Tried massage and accupuncture. Went to urgent care on May 27 and May 28. Given pain shots, medicine for nausea. IV for hydration

Back painDehydrationDizzinessGait disturbanceMyalgiaNausea
#2898389May 29, 2026
Male·30 yrs·CT·TDAP

I MADE A MEDICAL ERROR BY ADMINISTERING A TDAP VACCINE VIA INTRADERMAL INSYEAD OF THE PPD VACCINE HE WAS SUPPOSE TO RECIEVED IN THE LEFT LOWER FOREARM AT 3:20PM ON 5/19/2026 DURING HIS PHYSICAL EXAM, AND I REPORTED TO THE PROVIDER THAT WAS ON THAT DAY AND THEN…

Incorrect route of product administrationInjection site cellulitisInjection site erythemaInjection site swellingProduct administered at inappropriate siteWrong product administered
#2898391May 29, 2026
Female·26 yrs·TN·TDAP

Patient noticed pain at the injection site with a small red bump at the injection site. Mild edema about 4cm surrounding the injection site. All starting 6 days after the vaccine.

Injection site oedemaInjection site pain
#2898392May 29, 2026
Female·30 yrs·NY·IPV

vaccine administration error given polio vs PPD

Wrong product administered
#2898393May 29, 2026
Male·67 yrs·WA·PNC21

Patient reported that he has been experiencing injection pain that is persisting in his left arm. He had experienced redness and swelling at the site that has gone away, but the pain and discomfort persists. He believes he may have received the immunization to…

Injection site discomfortInjection site erythemaInjection site painInjection site warmthSleep disorder
#2898394May 29, 2026
Female·63 yrs·CA·VARZOS

Persistent pain from the shoulder to the forearm, no relief from over-the-counter analgesics, including Naproxen, worsened over time and is still present at one week post-injection. Some bruising on the inner forearm

ArthralgiaX-ray
#2898395May 29, 2026
Male·38 yrs·OR·MMR, TDAP

Patient reports R wrist swelling and pain that started today. Wrist is visibly swollen. Patient was advised to report to urgent care for evaluation.

ArthralgiaJoint swelling
#2898405May 29, 2026
Female·51 yrs·UNK

bleeding and swelling at the site of injection. NP took a look at it to make sure that everything was fine. Patient was cleared by NP and recommended for her to have it iced to help with the swelling. Patient verbalized understanding. Patient later reported s…

Injection site haemorrhageInjection site swelling
#2898406May 29, 2026
Female·54 yrs·TX·VARZOS

patient had swelling , redness and pain

Abdominal distensionErythemaPainSinusitis
#2898407May 29, 2026
Female·58 yrs·AZ·VARZOS

1st day no symptoms, 2nd day experienced swelling, itching, redness at site of injection and surrounding area.

Injection site pruritusInjection site reactionInjection site swelling
#2898408May 29, 2026
SeriousHospitalizedLife-threatening
Male·0.3 yrs·CA·DTPPVHBHPB, PNC20, RV5

Patient started with episodes of pain at around 1 pm on 5/26/2026 which then progressed to more episodes of screaming in pain, sleepiness, vomiting, bloody stool and ultimately to ER visit at medical facility by early evening where ultrasound showed ileocolic…

Blood chloride normalBlood creatinine normalBlood potassium decreasedBlood sodium normalBlood urea normalCarbon dioxide decreased+12 more
#2898409May 29, 2026
SeriousHospitalized
Male·25 yrs·NJ·COVID19

PFIZER #1 8/12/2021 PFIZER #2 9/2/2021 DEVELOPED COVID-19 MRNA MYOPERICARDITIS WITH PERISISTENT ECG CHANGES, ELEVATION OF TROPONIN, AND LGE ON MRI. SUFFERED 20 ED VISITS AND 5 HOSPITALIZATIONS FOR CHEST PAIN AND PALPITATIONS. TREATED WITH PREDNISONE, COLCHI…

Chest painElectrocardiogram changeMagnetic resonance imaging heartMyopericarditisPalpitationsTroponin increased
#2898410May 29, 2026
Female·72 yrs·MNQ

Pt reported significant localized reaction to R deltoid after receiving MenQuadfi inj 3/20. Described reaction as significant swelling, redness, firmness, and soreness for approx. 4 weeks with clear, yellow discharge about 2 weeks after

Injection site dischargeInjection site erythemaInjection site indurationInjection site painInjection site swellingLocal reaction
#2884336May 28, 2026
SeriousHospitalized
Unknown·Age unknown·VARZOS

One month later the virus went to my braIn and I developed encephalitis which put me in the hospital for 3 days; developed lesions; This serious case was reported by a consumer via interactive digital media and described the occurrence of encephalitis in a 87-…

Herpes zosterVaccination failureEncephalitisNervous system disorderSkin lesion
#2898101May 28, 2026
Male·12 yrs·UT·HPV9, MNQ, TDAP

Phone Note Initial Intake: Concerns/Comments: Pt. mom called to report that her son had an adverse reaction to vaccines on at his WCC. He was not asked to wait 15 min after the vaccine was given, and when he left he passed out in the elevator. He is doing f…

Loss of consciousness
#2898105May 28, 2026
Female·Age unknown·NM·RV5

Medical assistant confirmed that there were no symptomatic events reported by the patient's parents.; a patient (ages 20 weeks and 6 days) was given her first dose of ROTATEQ outside of the recommended 6 to 12 week starting dose indication; This spontaneous re…

Inappropriate schedule of product administrationNo adverse event
#2898106May 28, 2026
Male·0.3 yrs·TX·DTAPIPVHIB

products administered post excursion with no ae; Initial information received on 18-May-2026 regarding an unsolicited valid non-serious case received from healthcare professional (HCP). This case involves a 4-month-old male patient who was administered to Dip…

No adverse eventProduct storage issue
#2898116May 28, 2026
Unknown·Age unknown·AZ·VARCEL

No additional AE; TE evaluation for VARIVAX and stated that the product was administered.; This spontaneous report was received from a pharmacy technician and refers to a patient of unknown age and gender. The patient's concurrent conditions, medical history…

No adverse eventProduct storage issue
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