received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes; received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes; No adverse event; This spontaneous case was reported by an other health care professional and describes the occurrence of CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes), PRODUCT STORAGE ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes) and NO ADVERSE EVENT (No adverse event) in an elderly female patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7173B) for COVID-19 prophylaxis.     Patient did not received any other vaccines in the 4 weeks prior to COVID-19 vaccine.     On 21-Apr-2023, the patient received fifth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) 1 dosage form. On an unknown date, the patient experienced CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes), PRODUCT STORAGE ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes) and NO ADVERSE EVENT (No adverse event). At the time of the report, CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes), PRODUCT STORAGE ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        For mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Unknown), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessments were provided for CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes) and PRODUCT STORAGE ERROR (received Moderna Covid-19 vaccine that had been left in a medical cooler with the temperature not monitored for 19 hours and 25 minutes).    No concomitant medications was provided. No treatment medications was provided. The patient received her first Moderna Primary vaccine series on February 1, 2021, lot number 012M20A and second Moderna Primary Series dose on March 2, 2021with lot number 027A21A.Patient received in left deltoid muscle.The patient received her first Moderna monovalent booster dose on September 27, 2021 with lot number 046C21A. The patient received her second Moderna monovalent booster dose on May 3, 2022 with lot number 025L21B.Patient received the vaccine in her left deltoid muscle.