No adverse event; A total of 13 doses were administered after the excursion happened; HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04MAY2023 during 50 minutes; This spontaneous case was reported by an other health care professional and describes the occurrence of POOR QUALITY PRODUCT ADMINISTERED (A total of 13 doses were administered after the excursion happened), PRODUCT TEMPERATURE EXCURSION ISSUE (HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04MAY2023 during 50 minutes) and NO ADVERSE EVENT (No adverse event) in an 88-year-old male patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7184B) for COVID-19 prophylaxis.     Patient relevant medical history/conditions, allergy, concomitant diseases and risk factor were unknown.     On 09-May-2023, the patient received dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) 1 dosage form. On 04-May-2023, the patient experienced PRODUCT TEMPERATURE EXCURSION ISSUE (HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04MAY2023 during 50 minutes). On 09-May-2023,  after starting mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)), the patient experienced POOR QUALITY PRODUCT ADMINISTERED (A total of 13 doses were administered after the excursion happened). On an unknown date, the patient experienced NO ADVERSE EVENT (No adverse event). At the time of the report, POOR QUALITY PRODUCT ADMINISTERED (A total of 13 doses were administered after the excursion happened), PRODUCT TEMPERATURE EXCURSION ISSUE (HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04MAY2023 during 50 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 POOR QUALITY PRODUCT ADMINISTERED (A total of 13 doses were administered after the excursion happened) and PRODUCT TEMPERATURE EXCURSION ISSUE (HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04MAY2023 during 50 minutes).    Patent received any other vaccines in the 4 weeks prior to COVID-19 vaccine was unknown. Concomitant medication details not reported by the reporter. HCP stated 10 frozen unpunctured vials of Moderna COVID-19 Vaccine Bivalent experienced a temperature excursion on 04-MAY-2023 during 50 minutes. Maximum temperature reached was 10.5°F. A second excursion happened a couple hours later during 15 minutes and maximum temperature reached was 9.3°F. A total of 13 doses were administered after the excursion happened.  Treatment details was not reported by the reporter. This case contains information of patient 2 out of patient 13.   This case was linked to US-MODERNATX, INC.-MOD-2023-728417 (E2B Linked Report).   Reporter did not allow further contact; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-728417:Patient 2