Received May 26, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | Z017017 | — |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | UNK | — | — |
Confirmed no symptomatic adverse events; The caller states that there was a prior excursion and one dose of VARIVAX that experienced this prior excursion was administered to a patient on 19-MAY-2026; This spontaneous report was received from a physician assistant and refers to a 15-month-old female patient. No information regarding the patient's pertinent medical history, drug reactions or allergies, or concomitant therapies was provided. On 19-May-2026,the patient was vaccinated with an improperly storage dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX), (dose, route of administration and anatomical location not provided, lot number Z017017, which was verified to be valid, expiration date established on 06-Nov-2027), the suspect vaccine was reconstituted with sterile diluent (Hollister-Stier), (lot number and expiration date were not reported) for prophylaxis. The administered dose of the vaccine experienced a temperature excursion -11.1C for 25 minutes, it was not reported if the information was recorded by a data logger or not. No symptomatic adverse events were reported.