The Medical Assistant reported a temperature excursion for refrigerated vaccine.; This spontaneous report was received from a Medical Assistant referring to a patient of unknown age and gender. The patient's medical history, concurrent conditions, concomitant medications, and historical drugs were not reported.  On 11-MAR-2021 , the patient was vaccinated with an improperly stored dose of hepatitis a vaccine, inactivated(VAQTA) dose 1 (units not provided) (strength, route, dose #, frequency, and anatomical location were unknown) with lot # T020109 and expiration date 26-JAN-2022 for prophylaxis.The patient was asyntomatic.  The administered dose of vaccine experience the temperature excursion on one of these dates, 22-FEB-2021, 25-FEB-2021, 02-MAR-2021, 05-MAR-2021, 09-MAR-2021, 15-MAR-2021, and 19-MAR-2021, of 35.6, 35.7, or 35.9  degrees Fahrenheit for 15 minutes; on 17-MAR-2021, the temperature excursion of 35.7 degrees Fahrenheit for 30 minutes;  on 18-MAR-2021 and 28-MAR-2021, of 35.2 and 35.9 degrees Fahrenheit for 45 minutes; on 25-MAR-2021, of 35.2 degrees Fahrenheit for 4 hours and 15 minutes; on 26-MAR-2021, of 35.4 degrees Fahrenheit for 2 hours and 45 minutes; or on 27-MAR-2021, of 35.9 degrees Fahrenheit 1 hour and 30 minutes.  There was no digital data logger involved, and no previous temperature excursion. The Vaccines for Children (VFC) program did an audit, and they were unaware of the excursions.  This is one of several reports received from the same reporter. combinationproductreport: Yes; brandname: VAQTA SYRINGE (DEVICE); commondevicename: Hepatitis A Vaccine, Inactivated; productcode: FMF; devicetype: SYRINGE, PISTON (FMF); manufacturername: Merck Sharp & Dohme Corp. devicelotnumber: T020109; expirationdate: 26-JAN-2022; deviceage and unit: 0 ; malfunction: Unknown; deviceusage: Initial; reasonfornoneval: 81 Other; labeledsingleusedevice: No; mdcpreportability: No; mdcpreprationale: Case information does not meet the criteria for Reportability; Sender's Comments:  US-009507513-2105USA002850: US-009507513-2105USA003496: US-009507513-2105USA003497: US-009507513-2105USA003498: US-009507513-2105USA003499: US-009507513-2105USA003500: US-009507513-2105USA003501: US-009507513-2105USA003502: US-009507513-2105USA003503: US-009507513-2105USA003504: US-009507513-2105USA003505: US-009507513-2105USA003506: US-009507513-2105USA003507: US-009507513-2105USA003508: US-009507513-2105USA003509: US-009507513-2105USA003510: US-009507513-2105USA003512: US-009507513-2105USA003513: US-009507513-2105USA003514: US-009507513-2105USA003515: US-009507513-2105USA003516: US-009507513-2105USA003517: US-009507513-2105USA003518: US-009507513-2105USA003519: US-009507513-2105USA003520: US-009507513-2105USA003521: US-009507513-2105USA003522: US-009507513-2105USA003523: US-009507513-2105USA003524: US-009507513-2105USA003525: US-009507513-2105USA003526: US-009507513-2105USA003527: US-009507513-2105USA003528: US-009507513-2105USA003529: US-009507513-2105USA003530: US-009507513-2105USA003531: US-009507513-2105USA003532: US-009507513-2105USA003533: US-009507513-2105USA003534: US-009507513-2105USA003535: US-009507513-2105USA003536: US-009507513-2105USA003537: US-009507513-2105USA003538: US-009507513-2105USA003539: US-009507513-2105USA003540: US-009507513-2105USA003541: US-009507513-2105USA003542: US-009507513-2105USA003543: