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1,929,324 reports(790 ms)
Patient received a vaccination that was not properly reconstituted with the appropriate diluent that was provided in the package.
no effects reported. / No additional AE; syringe did not have the usual connection for attaching a needle and referred to the missing connection as "needle hub and tip cap"; Caller reports when he pushes the plunger product does leak out of the affected syring…
Vaccine given to patient was expired 4 days prior to administration, no negative reactions to expired vaccine reported by patient mother.
Localized erythema and edema over vaccination site roughly 2" diameter.
Resident passed away
Patient was given Abrysvo but had received Arexvy in October of 2023
No additional AE; inadvertent administration of an expired dose of MMR-II. Vaccine expired on 31JAN2026 and was administered to a patient on 09FEB2026.; This spontaneous report was received from a registered nurse and refers to a patient of unknown age and gen…
Initial redness noted R Thigh at vaccine site, developed into a rash that progessed to both legs, then to entire body within 24 hours. Required benadryl to stop the urticaria, but urticaria returned if benadryl was stopped.
This covid vaccine was administered on 2/10/26 however upon examination of subsequent vaccines we noticed the patient had been given a vaccine that expired on 2/3/26.
Patient received a vaccination that was not properly reconstituted with the diluent provided in the package.
After administration mild crying in room, quick recovery, child was discharged and carried to car in carrier by mother, front desk reported child was resting in car carrier on his way out the door. Mom attempted to feed by bottle in the car, child was unarousa…
Patient received vaccine on 12/8/25, but the beyond use date was 12/4/25. Patient did not have any negative effects from vaccine and is agreeable to return for repeat dose as recommended by CDC.
Wrong Meningitis vaccine administered.
This covid vaccine was administered on 2/13/26 however upon examination of subsequent vaccines we noticed the patient had been given a vaccine that expired on 2/3/26.
Patient mentioned going into cardiac arrest and then into a coma. No prior heart disease. Patient was not expected to survive.
Pt did not have adverse reaction to vaccination; vaccine admin. reported due to pt not within age range for admin. of this vaccine
suspected vaccination failure; Shingles; This serious case was reported by a consumer via interactive digital media and described the occurrence of vaccination failure in a patient who received Herpes zoster (Shingles vaccine) for prophylaxis. Co-suspect pr…
No adverse effects to report, confirmed with mother on 2/20/2026 at 1:35 PM. Only reporting the vaccine error. Mother denied injection site redness/pain/any reaction
Patient was administered a vaccine that was later identified as expired at the time of administration. The patient was informed of the expiration status and verbalized understanding. No adverse reactions or immediate complications were observed or reported. Pr…
ultimately being diagnosed with mumps. The most striking feature of this case is that the patient was appropriately vaccinated with MMR.; Literature Report This literature report was received from the authors of a published literature article, titled as state…