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(825 ms)

#2855029Aug 21, 2025
Female·44 yrs·TX·HEP

Swelling of left shoulder 3 days after administration

Joint swelling
#2855030Aug 21, 2025
Male·3 yrs·WI·UNK

ProQuad (MMRV) vaccine was reconstituted with a potentially-expired sterile diluent (sterile water) and administered to the patient. Patient did not experience any adverse reactions. Merck was contacted and Merck confirmed potency of vaccination with no need t…

No adverse event
#2855031Aug 21, 2025
Female·1 yrs·VARCEL

During administration of varicella vaccine, the vaccine squirted around the needle and was not administered to patient. Upon assessment needle was appropriately connected to vaccine. Provider notified and parent notified, new vaccine readministered. Lot-Y0038…

Needle issue
#2855032Aug 21, 2025
Female·1.4 yrs·WI·UNK

ProQuad (MMRV) vaccine was reconstituted with a potentially-expired sterile diluent (sterile water) and administered to the patient. Patient did not experience any adverse reactions. Merck was contacted and Merck confirmed potency of vaccination with no need t…

No adverse event
#2855033Aug 21, 2025
Male·1.5 yrs·WI·UNK

ProQuad (MMRV) vaccine was reconstituted with a potentially-expired sterile diluent (sterile water) and administered to the patient. Patient did not experience any adverse reactions. Merck was contacted and Merck confirmed potency of vaccination with no need t…

No adverse event
#2855034Aug 21, 2025
Female·1 yrs·WI·UNK

ProQuad (MMRV) vaccine was reconstituted with a potentially-expired sterile diluent (sterile water) and administered to the patient. Patient did not experience any adverse reactions. Merck was contacted and Merck confirmed potency of vaccination with no need t…

No adverse event
#2855035Aug 21, 2025
Female·10 yrs·NY·HPV9

patient and parent stating the following 2 days after vaccine she had multiple episodes of vomiting.

Vomiting
#2855036Aug 21, 2025
Female·27 yrs·WI·UNK

Varicella vaccine was reconstituted with a potentially-expired sterile diluent (sterile water) and administered to the patient. Patient did not experience any adverse reactions. Merck was contacted and Merck confirmed potency of vaccination with no need to rev…

No adverse event
#2855037Aug 21, 2025
Female·30 yrs·CA·RSV

Patient given Arexvy instead of Abrysvo. Pt reports EGA 35+2. Patient at risk of adverse event due to side effects of pregnant patient receiving Arexvy. Patient remained at clinic for one hour after event. Patient did not report any s/s of preterm labor. Patie…

Exposure during pregnancyProduct use issueWrong product administered
#2855038Aug 21, 2025
Female·78 yrs·NY·PNC20

Ptn claims to have strong pain in the arm which has decreased but remains a week later

Pain in extremity
#2855039Aug 21, 2025
Female·25 yrs·MO·MENB

Patient came into the clinic to receive her 2nd dose of Hepatitis B vaccine but received Meningococcal B instead, patient is currently pregnant and was 6 months pregnant during the time of vaccination.

Exposure during pregnancy
#2855040Aug 21, 2025
Female·52 yrs·TX·VARZOS

Pt showed up at pharmacy on 8/21/25 with concerns about possible allergic rxn with shingrix vaccine dose given on 8/18/25. Pt reported a brief episodes of SOB that went away after a few seconds after receiving the vaccine on 8/18/25. Pt reported mild headache…

ErythemaFeeling hotHeadacheInfluenza like illnessPyrexiaRash
#2855041Aug 21, 2025
Female·12 yrs·CA·TDAP, VARCEL

Very nice girl, came in with her mom, vaccinated her and then we stayed in the vaccine room for a few minutes while I finished filling out her vaccination immunization record for the day. then we walked together out the vaccine room to the register. While rin…

Loss of consciousness
#2855042Aug 21, 2025
Female·66 yrs·CA·VARZOS

Patient developed shingles rash 6 hours after vaccination

Herpes zosterRash
#2855043Aug 21, 2025
Female·37 yrs·NV·COVID19, HEP, HPV9

Many hours after the shot, I developed hives, which eventually covered about 80% of my body. My top lip swelled but I did not have any breathing trouble. My doctor sent a steroid and now they are starting to go away, 2 days later.

Lip swellingUrticaria
#2855044Aug 21, 2025
Male·2 yrs·IL·DTAP, MMR

Developed fever and urticarial rash x 3d post injection. Rash progressively spread throughout entire body - scalp, face, neck, trunk, arms/hands, legs/feet, buttocks/groin.

PyrexiaRashUrticaria
#2855045Aug 21, 2025
Male·85 yrs·MO·RSV

Vaccine was not reconstituted prior to administration, pharmacist injected syringe of only diluent.

Product preparation issue
#2855046Aug 21, 2025
Female·5 yrs·CA·DTAP, MMRV

Came to our pharmacy for vaccines needed for school, no issues while here, left feeling fine. We called parent a couple days later for some insurance information clarification, on 08/13/2025- Dad reported her mmrv vaccine leg was swollen at injection site size…

Injection site swelling
#2855047Aug 21, 2025
Female·4 yrs·CA·DTAPIPV, MMRV

PT WAS PALE,FAINTED

PallorSyncope
#2855048Aug 21, 2025
Female·14 yrs·MI·MMR

Client started walking down the hallway and fainted, hit the left side of her head on door frame. Briefly lost consciousness (a few seconds), and was disoriented, pale and felt weak and dizzy when she came to. She said she felt hot, temp was 97.2 F. She stated…

AstheniaDisorientationDizzinessFeeling hotHead injuryLoss of consciousness+2 more
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