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(832 ms)

#2834047Apr 2, 2025
Male·61 yrs·MA·PNC21

cellulitis of injection site

Injection site cellulitis
#2834048Apr 2, 2025
Male·50 yrs·MN·VARZOS

mixed with Merck diluent 0006-4175-89

Product preparation error
#2834049Apr 2, 2025
Female·86 yrs·NY·PNC21

Redness, minor swelling at injection site, itchiness, lightheadedness. All side effects manifested 4 days after vaccine administration, only side effect following administration was minor sore arm which subsided after a day.

DizzinessInjection site erythemaInjection site swellingPain in extremityPruritus
#2834050Apr 2, 2025
Female·62 yrs·CA·PNC20

Localized skin reaction with redness, mild swelling, itching

ErythemaLocal reactionPruritusSkin swelling
#2834051Apr 2, 2025
Female·1.5 yrs·NC·IPV

Fever started within 24 hours. Fever of 105 persisted for 5 days leading to 2 emergency room visits and one pediatrician visit.

Blood testCulturePyrexiaRespiratory pathogen panel
#2834052Apr 2, 2025
Female·29 yrs·AK·ANTH

Pain at the injection site started immediately and lasted four days. Pain approximately 6 inches below the injection site started approximately 30 minutes after injection and lasted 3 days. Pain in right forearm and wrist started 30 minutes after injection and…

ArthralgiaDecreased appetiteFatigueHeadacheHypersomniaImmediate post-injection reaction+5 more
#2834053Apr 2, 2025
Male·3 yrs·OK·DTAP

Mother took patient to ED on 3/31/2025 and reported rash with onset 3/29/2025 in evening. Rash began on face and spread. Mother reports patient felt warm, and was itchy and not sleeping well. No rash to injection site. Mother did not treat with any topical or…

Poor quality sleepPruritusRashSkin warmStreptococcus test negative
#2834054Apr 2, 2025
Male·18 yrs·MA·MENB

C/o arm soreness. This morning, he had a slight headache. He went to school. Headache/ chills. Normal lunch. Rested all afternoon. Still have headache. Chills went away. No temp. Up at 5 pm, ate a pear cup. 15-20 minutes later, vomited twice. Still n…

ChillsHeadacheNauseaPain in extremityVomiting
#2834055Apr 2, 2025
Female·58 yrs·MO·PNC20

Day after vaccination, patient reported pain and swelling at left deltoid (injection site) up to collarbone/neck.

Injection site painInjection site swelling
#2834056Apr 2, 2025
Male·77 yrs·AK·COVID19

fever up to 101.5 F that night x 48 hrs;

AnisocytosisBlood disorderNeutropeniaNeutrophil count decreasedPlatelet count decreasedPoikilocytosis+6 more
#2834057Apr 2, 2025
Male·22 yrs·FL·MMR

pt was given the vaccine IM instead of subQ (no issues reported yet but wanted to document wrong administration)

Incorrect route of product administration
#2834058Apr 2, 2025
Female·17 yrs·LA·MENB

3 inch area of erythema at injection site. Red, warm and tender.

Injection site erythemaInjection site painInjection site warmth
#2834059Apr 2, 2025
Female·79 yrs·TN·PNC21

Adverse Event: redness, swelling, and bruising of the upper right arm, Treatment: antibiotic course given by provider, Outcome: patient to have follow up with provider next week to determine outcome

Injection site bruisingInjection site erythemaInjection site swelling
#2834060Apr 2, 2025
Female·18 yrs·OR·HEP

None. He received Adult formulation instead of pediatric formulation

Product administered to patient of inappropriate age
#2834061Apr 2, 2025
SeriousHospitalizedDisabled
Female·32 yrs·NJ·COVID19

I was diagnosed with seizures after struggling with brain fog and memory loss, I recieved an eeg. I have been having countless symptoms so I started getting tested looking for different things and eventually found I have an auto immune disease I am currently u…

AmnesiaAutoimmune disorderBlood testBrain fogComputerised tomogramCystitis noninfective+8 more
#2834062Apr 2, 2025
Female·12 yrs·CA·HPV9

Patient went to the parking lot after vaccine administration at 334p and felt faint and lightheaded, Patient sat down on bench, brought up to pediatrics in wheel chair at 343p. Patient states feeling better with juice and crackers. Vitals taken. Dr. checked…

Dizziness
#2834063Apr 2, 2025
Female·67 yrs·TX·HEP, PNC21, TDAP

Patient started getting redness on the left arm at the site of injection on Saturday 3/29/25, 2 days after injection. Patient then started getting warmth at the site of the localized redness at site of injection starting on Tuesday 4/1/25, 5 days after injecti…

Injection site erythemaInjection site warmth
#2834064Apr 2, 2025
Male·16 yrs·AL·FLU3

About 10 minutes after vaccination, the patient felt faint and was helped to the floor by mother. He was responsive but felt weak. Mentioned having a tight feeling in chest but no problems breathing or swallowing. I was about to administer an Epi-Pen when he…

AstheniaChest discomfortDizziness
#2834065Apr 2, 2025
Female·18 yrs·PA·MENB

Approximately 15-30 minutes after the shot, unberable pain in arm, and thunderclap headache that was excruciatingly painful, couldn't get off the floor or stop sobbing. Ended up with a sore arms for moths and was unable to apply pressure on sleep on the side…

CryingHeadachePain in extremitySleep disorder
#2834071Apr 2, 2025
Male·0.5 yrs·ID·DTAPHEPBIP, DTAPIPV, PNC20, RV5

Kinrix vaccine inadvertently given at 6 mo. visit. Family was notified. The flu vaccine was intended, Kinrix and flu vaccine have the same color band & were stored in close proximity to one another.

Wrong product administered
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