Vaccine was stored in the refrigerator on 13-Jan-2022, patient received Monovalent shots on 23-Feb-2022; No adverse event; Moderna COVID-19 vaccine after 30-day Use by Date was 12-Feb-2022 and patient received Monovalent shots on 23-Feb-2022; This spontaneous case was reported by an other health care professional and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (Moderna COVID-19 vaccine after 30-day Use by Date was 12-Feb-2022 and patient received Monovalent shots on 23-Feb-2022), PRODUCT STORAGE ERROR (Vaccine was stored in the refrigerator on 13-Jan-2022, patient received Monovalent shots on 23-Feb-2022) and NO ADVERSE EVENT (No adverse event) in an adult patient of an unknown gender who received mRNA-1273 (Spikevax) (batch no. 025L21B) for COVID-19 prophylaxis.     No Medical History information was reported.   On 23-Feb-2022, the patient received dose of mRNA-1273 (Spikevax) (unknown route) 1 dosage form. On 23-Feb-2022, the patient experienced EXPIRED PRODUCT ADMINISTERED (Moderna COVID-19 vaccine after 30-day Use by Date was 12-Feb-2022 and patient received Monovalent shots on 23-Feb-2022). On an unknown date, the patient experienced PRODUCT STORAGE ERROR (Vaccine was stored in the refrigerator on 13-Jan-2022, patient received Monovalent shots on 23-Feb-2022) and NO ADVERSE EVENT (No adverse event). At the time of the report, EXPIRED PRODUCT ADMINISTERED (Moderna COVID-19 vaccine after 30-day Use by Date was 12-Feb-2022 and patient received Monovalent shots on 23-Feb-2022), PRODUCT STORAGE ERROR (Vaccine was stored in the refrigerator on 13-Jan-2022, patient received Monovalent shots on 23-Feb-2022) and NO ADVERSE EVENT (No adverse event) outcome was unknown.      For mRNA-1273 (Spikevax) (Unknown), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessments were provided for EXPIRED PRODUCT ADMINISTERED (Moderna COVID-19 vaccine after 30-day Use by Date was 12-Feb-2022 and patient received Monovalent shots on 23-Feb-2022) and PRODUCT STORAGE ERROR (Vaccine was stored in the refrigerator on 13-Jan-2022, patient received Monovalent shots on 23-Feb-2022).    Concomitant product use was not provided by the reporter. Vial sizes were reported as 2.5 mL Bivalent and 5.5 ml was in red cap. Vaccine thawed date was mentioned as 12-Feb-2022. Monovalent lot number 025L21B which was shipped on 13-JAN-2022 and was thawed in a cooler while being transported. Vials did not undergo any temperature excursions. Since reporter did not notice the vaccine was expired, some of these patients received another dose after the expired dose was given, within recommended time. Reporter did not have any patient identifier at the time of reporting. Treatment information was not provided. This case was for sixth adult patient from seven adult patients case who were received Monovalent shots on 23-FEB-2022.   This case was linked to US-MODERNATX, INC.-MOD-2022-682038, US-MODERNATX, INC.-MOD-2022-682093, US-MODERNATX, INC.-MOD-2022-682096, US-MODERNATX, INC.-MOD-2022-682097, US-MODERNATX, INC.-MOD-2022-682098, US-MODERNATX, INC.-MOD-2022-682101 (E2B Linked Report).   Most recent FOLLOW-UP information incorporated above includes: On 02-Dec-2022: Live follow-up received reporter, vaccine storage date were added and narrative was updated.; Sender's Comments:  US-MODERNATX, INC.-MOD-2022-682038:Monovalent (Same reporter; Adult patient 1 from 7 Adult patients Monovalent shots on 23FEB2022) US-MODERNATX, INC.-MOD-2022-682093:Monovalent (Same reporter; Adult patient 2 from 7 Adult patients Monovalent shots on 23FEB2022) US-MODERNATX, INC.-MOD-2022-682096:Monovalent (Same reporter; Adult patient 3 from 7 Adult patients Monovalent shots on 23FEB2022) US-MODERNATX, INC.-MOD-2022-682097:Monovalent (Same reporter; Adult patient 4 from 7 Adult patients Monovalent shots on 23FEB2022) US-MODERNATX, INC.-MOD-2022-682098:Monovalent (Same reporter; Adult patient 5 from 7 Adult patients Monovalent shots on 23FEB2022) US-MODERNATX, INC.-MOD-2022-682101:Monovalent (Same reporter; Adult patient 7 from 7 Adult patients Monovalent shots on 23FEB2022)