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(783 ms)

#2887452Mar 3, 2026
Female·61 yrs·PA·COVID19

Developed blood clots in lower right leg 12-14 days after administration of the vaccine. (I had had blood clots in this leg post knee surgery 1.5 years prior.)

Deep vein thrombosisUltrasound Doppler
#2887453Mar 3, 2026
Male·6 yrs·KS·DTAPIPV, MMRV

The MMRV vaccine that was given was expired. It had expired on 2/3/2026. Parent notified to come back in month for another dose.

Expired product administered
#2887457Mar 3, 2026
Unknown·11 yrs·AL·HEP

Adult dose to a pediatric patient; Adult dose to a pediatric patient; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of overdose in a 11-year-old patient who received HBV (Engerix B adult) (batch…

Incorrect dose administered
#2887458Mar 3, 2026
Female·5 yrs·SC·DTAPIPV

Left thigh pain, redness, tenderness. 6cm circumferential erythema. No streaking.

Injection site erythemaInjection site pain
#2887459Mar 3, 2026
Female·5 yrs·WI·MNQ

Menveo vaccine given appropriately to child with functional asplenia/ Sickle Cell Disease per CDC/ AAP recommendation . Menveo10+ formulation given to child in error. Menveo10+ was available and despite researching dosing recommendation, at CDC immunizartion…

No adverse eventProduct administered to patient of inappropriate age
#2887460Mar 3, 2026
Male·4 yrs·GA·MMRV

swelling in both eyes, redness in face, itchy, weak in legs and airway closing. Zyrtec was given and oxygen was given

ErythemaEye swellingMuscular weaknessObstructive airways disorderPruritus
#2887461Mar 3, 2026
Male·0.3 yrs·KS·PNC13

No longer stays asleep. Decreased sleep. Gasiness.

FlatulenceInsomnia
#2887463Mar 3, 2026
Female·Age unknown·RVX

was sick during this time as well; diarrhea 2 days after receiving her second dose of ROTATEQ which lasted a few days; also experienced diarrhea after first dose of ROTATEQ; This spontaneous report was received from a pharmacist (the patient's mother) via comp…

DiarrhoeaMalaise
#2887464Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction Number: 02899603) by partner on 03-NOV-20…

No adverse eventProduct storage error
#2887465Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

No adverse event; Medical Assistant reported administration of improperly stored vaccines; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by partner on 20-NOV-2025 and forwarded to agency…

No adverse eventProduct storage error
#2887466Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

No adverse event; Medical Assistant reported administration of improperly stored vaccines; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction Number: 02899603) by partner on 03-NOV-2025 and forwarded to agency…

No adverse eventProduct storage error
#2887467Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB, HEPA

Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; No adverse event; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887468Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB, RVX

Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction Number: 02899603) by partner on 03-NOV-20…

No adverse eventProduct storage error
#2887469Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

No adverse event; Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887470Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

No adverse event; Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887471Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

No adverse event; Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887472Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB, RVX

No adverse event; Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887473Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB, RVX

Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; No adverse event; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction Number: 02899603) by pa…

No adverse eventProduct storage error
#2887474Mar 3, 2026
Unknown·Age unknown·TX·DTPPVHBHPB

Medical Assistant reported administration of improperly stored vaccines to multiple patients beginning on 10/2/2025.; No adverse event; This non-serious spontaneous Safety Report was received with reference number: 02899610 (Interaction number: 02899603) by pa…

No adverse eventProduct storage error
#2887475Mar 3, 2026
Male·Age unknown·OH·DTPPVHBHPB

No adverse event; HCP called to report a TE for GARDASL 9, ROTATEQ, MMR II, RECOMBIVAX, and VAXELIS syringes. Caller reported excursions occurred between 9/22/2025 and 11/23/2025 and product had been administered to multiple patients.; This non-serious spontan…

No adverse eventProduct storage error
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