Received Jun 22, 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. | N/A | z017526 | SC / RA |
| VARCEL | VARICELLA (VARIVAX) | MERCK & CO. INC. | 1 | Z017526 | OT / RA |
No symptoms reported; Vaccine administration volume (mL): 1; one dose of VARIVAX which underwent a temperature excursion was administered; This spontaneous report was received from a pharmacist concerning a patient of unspecified age and gender. Information regarding the patient's concurrent conditions, medical history, concomitant medications and drug reactions/allergies was not provided. On 01-May-2026, the patient was vaccinated with an improperly stored dose of Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) injection, at a dose of 0.5 ml, batch/lot # Z017526, expiration date 17-Nov-2027, which was reconstituted with sterile diluent (BAXTER STERILE DILUENT) 0.7 ml, batch/lot number Z012259, expiration date 01-May-2028, and administered by a health professional as prophylaxis (product storage issue). The involved vaccine underwent an excursion at a temperature from 14 degrees Fahrenheit (F) up to 46 F (40.66 F) for 50 hours 0 minutes 0 seconds. No symptoms were reported (no adverse event.) Follow-up information was received from the pharmacist on 05-Jun-2026. Patient details were provided. This report referred to a 28-year-old male patient. The Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) administered corresponded to the first dose and was given subcutaneously. Follow-up information was received from a pharmacist on 08-Jun-2026. The patient have not ever had allergy to gelatin, latex, yeast, neomycin or any vaccine ingredient, serious reaction after getting a vaccine, dizzy or faint before, during or after an immunization, was not taking acetylsalicylic acid (ASPIRIN) or a medication with salicylate at the time of vaccination, and did not have active and untreated tuberculosis. Varicella Virus Vaccine Live (Oka-Merck) (VARIVAX) volume administered to patient was reported as 1 mL (vaccine overdose), given in the right upper arm by a pharmacist.
DILUENT MRK