Vial initially stored in the refrigerator on 9 Jun 2023, bud date was 9 Jul 2023 and shouldn't have given it past the 9 Jul 2023 and administered vaccine on 12 Jul 2023; No adverse event; mistakenly gave 3 clients expired Moderna vaccine; This spontaneous case was reported by an other health care professional and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (mistakenly gave 3 clients expired Moderna vaccine), PRODUCT STORAGE ERROR (Vial initially stored in the refrigerator on 9 Jun 2023, bud date was 9 Jul 2023 and shouldn't have given it past the 9 Jul 2023 and administered vaccine on 12 Jul 2023) and NO ADVERSE EVENT (No adverse event) in a  patient of an unknown age and gender who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7644C) for COVID-19 prophylaxis.     No Medical History information was reported.    On 12-Jul-2023, the patient received dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) .5 milliliter. On 12-Jul-2023,  after starting mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)), the patient experienced EXPIRED PRODUCT ADMINISTERED (mistakenly gave 3 clients expired Moderna vaccine). On an unknown date, the patient experienced PRODUCT STORAGE ERROR (Vial initially stored in the refrigerator on 9 Jun 2023, bud date was 9 Jul 2023 and shouldn't have given it past the 9 Jul 2023 and administered vaccine on 12 Jul 2023) and NO ADVERSE EVENT (No adverse event). At the time of the report, EXPIRED PRODUCT ADMINISTERED (mistakenly gave 3 clients expired Moderna vaccine), PRODUCT STORAGE ERROR (Vial initially stored in the refrigerator on 9 Jun 2023, bud date was 9 Jul 2023 and shouldn't have given it past the 9 Jul 2023 and administered vaccine on 12 Jul 2023) 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 (mistakenly gave 3 clients expired Moderna vaccine) and PRODUCT STORAGE ERROR (Vial initially stored in the refrigerator on 9 Jun 2023, bud date was 9 Jul 2023 and shouldn't have given it past the 9 Jul 2023 and administered vaccine on 12 Jul 2023).    It was unknown if the patient received any other vaccines in the 4 weeks prior to COVID-19 vaccine.  No concomitant medications were provided.  The vial did not undergo any temperature excursions.  Health care professional cannot provided specific patient information at this time because that information was at the clinic and they are doing an event.  Individual vials or intact cartons were 2 doses and Blue cap.  Dosage text for suspect product was reported as unknown.  No treatment medication was provided.  This case contains information for the 1st of 3 patients.   This case was linked to MOD-2023-733195, MOD-2023-733202 (E2B Linked Report).; Sender's Comments:  MOD-2023-733195:Patient 2 MOD-2023-733202:Patient 3