Date the vial was initially stored in the refrigerator was on 10 May 2023.Dose administered after 30-day Use By Date; No adverse event; 9 adult patients (Not pregnant) received expired Bivalent Blue Cap booster doses of Moderna COVID-19 vaccine on 10JUN2023 through 24JUN2023/Dose administered after 30-day Use By Date; This spontaneous case was reported by a pharmacist and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (9 adult patients (Not pregnant) received expired Bivalent Blue Cap booster doses of Moderna COVID-19 vaccine on 10JUN2023 through 24JUN2023/Dose administered after 30-day Use By Date), PRODUCT STORAGE ERROR (Date the vial was initially stored in the refrigerator was on 10 May 2023.Dose administered after 30-day Use By Date) and NO ADVERSE EVENT (No adverse event) in an adult patient of an unknown gender who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7642B) for COVID-19 prophylaxis.     No Medical History information was reported.    On 12-Jun-2023, the patient received sixth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) 1 dosage form. On 12-Jun-2023, the patient experienced EXPIRED PRODUCT ADMINISTERED (9 adult patients (Not pregnant) received expired Bivalent Blue Cap booster doses of Moderna COVID-19 vaccine on 10JUN2023 through 24JUN2023/Dose administered after 30-day Use By Date). On an unknown date, the patient experienced PRODUCT STORAGE ERROR (Date the vial was initially stored in the refrigerator was on 10 May 2023.Dose administered after 30-day Use By Date) and NO ADVERSE EVENT (No adverse event). At the time of the report, EXPIRED PRODUCT ADMINISTERED (9 adult patients (Not pregnant) received expired Bivalent Blue Cap booster doses of Moderna COVID-19 vaccine on 10JUN2023 through 24JUN2023/Dose administered after 30-day Use By Date), PRODUCT STORAGE ERROR (Date the vial was initially stored in the refrigerator was on 10 May 2023.Dose administered after 30-day Use By Date) 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 EXPIRED PRODUCT ADMINISTERED (9 adult patients (Not pregnant) received expired Bivalent Blue Cap booster doses of Moderna COVID-19 vaccine on 10JUN2023 through 24JUN2023/Dose administered after 30-day Use By Date) and PRODUCT STORAGE ERROR (Date the vial was initially stored in the refrigerator was on 10 May 2023.Dose administered after 30-day Use By Date).    No relevant concomitant medications were reported. It was reported that open Carton Vial size was 2.5 ml. Date the vial was initially stored in the refrigerator was on 10 May 2023. Dates of administration of vaccine were: 1 patient on 1 0JUN 2023, 3 Patients on 11 JUN 2023, 2 patients on 12 JUN 2023, 1 patient on 15 JUN 2023, 2 patients on 24 JUN 2023. The vial hasn't undergone any temperature excursions. No treatment medication reported.  This case was for 6th patient out of 9 reported.   This case was linked to US-MODERNATX, INC.-MOD-2023-732805 (E2B Linked Report).; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-732805: