This spontaneous report was received from a medical assistant refers to a patient of unknown age and gender. The patient's concurrent conditions, medical history, drug reactions, allergies and concomitant therapy was unknown. On 22-FEB-2018 the patient was vaccinated with improperly stored Oka/Merck VARIVAX at a dose 0.5 ml once via intramuscular route (lot # M034586 and expiration date 27-JUL-2018), (incorrect product storage and drug administered via inappropriate route) at a temperature excursion of -13.5 degree centigrade (C) for 5.5 hours. Multiple temperature excursions were reported as follows, on 26-JAN-2018 temperature excursion was at -12.65 (C) for 6.5 hours, on 27-JAN-2018 temperature excursion was at -10.14 C for 12.5 hours, On 28-JAN-2018 at a temperature excursion was at 11.99 C for 11.5 hours, on 29-JAN-2018 temperature excursion was at -12.73 C for 6.5 hours, on 30-JAN-2018 temperature excursion was at -11.85 C for 10.5 hours, on 31-JAN-2018 temperature excursion was at -9.42 C for 16.5 hours, on 1-FEB-2018 at a temperature excursion was at -10.87 C for 12.5 hours, on 2-FEB-2018 temperature excursion was at -12.71 C for 13.5 hours, on 3-FEB-2018 temperature excursion was at -12.04 C for 14.5 hours, on 4-FEB-2018 temperature excursion was at -12.56 C for 14.5 hours, on 5-FEB-2018 temperature excursion was at -12.94 C for 9 hours, on 6-FEB-2018 temperature excursion was at -12.56 C for 10.5 hours, on 7-FEB-2018 temperature excursion was at -11.34 C for 21.5 hours, on 8-FEB-2018 temperature excursion was at -11.49 C for 14 hours, on  9-FEB-2018 temperature excursion was at -12.07 C for 16 hours, on 10-FEB-2018 temperature excursion was at -11.49 C for 10 hours, on 11-FEB-2018 temperature excursion was at -11.88 C for 17.5 hours, on 12-FEB-2018 temperature excursion was at -11.75 C for 10.5 hours, on 13-FEB-2018 temperature excursion was at -12.14 C for 10 hours, on 14-FEB-2018 temperature excursion was at -10.76 C for 23.5 hours, on 15-FEB-2018 temperature excursion was at -8.76 C for 14.5 hours, on 16-FEB-2018 temperature excursion was at -11.43 C for 18.5 hours, on 17-FEB-2018 temperature excursion was at -9.17 C for 24 hours, on 18-FEB-2018 temperature excursion was at -8.87 C for 24 hours, on 18-FEB-2018 temperature excursion was at -8.87 C for 24 hours, on  19-FEB-2018 temperature excursion was at -9.06 C for 11 hours, on 20-FEB-2018 temperature excursion was at -13.29 C for 5.5 hours, on 21-FEB-2018 temperature excursion was at -13.37 C for 8 hours, on 22-FEB-2018 temperature excursion was at -13.51 C for 5.5 hours, on 23-FEB-2018 temperature excursion was at -12.55 C for 8 hours, on 24-FEB-2018 temperature excursion was at -12.20 C for 10 hours, on 25-FEB-2018 temperature excursion was at -11.91 C for 11 hours, on 26-FEB-2018 temperature excursion was at -11.56 C for 8 hours, on 27-FEB-2018 temperature excursion was at -12.63 C for 5.5 hours, on 28-FEB-2018 temperature excursion was at -14.11 C for 3 hours, on 1-MAR-2018 temperature excursion was at 0.00 C for 0 hours, on 2-MAR-2018 temperature excursion was at -14.55 C for 1 hours, on 3-MAR-2018 temperature excursion was at -14.25 C for 5.5 hours, on 4-MAR-2018 temperature excursion was at -13.59 C for 7 hours, on 5-MAR-2018 temperature excursion was at -13.66 C for 7 hours. No adverse event was reported. There was no product quality compliant reported. No further information was provided. This is one of several reports received from the same reporter.