Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023; Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023; No adverse event; This spontaneous case was reported by a nurse and describes the occurrence of POOR QUALITY PRODUCT ADMINISTERED (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023), PRODUCT TEMPERATURE EXCURSION ISSUE (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023) and NO ADVERSE EVENT (No adverse event) in a child patient of an unknown gender who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. AS1903B) for COVID-19 prophylaxis.     No Medical History information was reported.    On an unknown date, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On an unknown date, the patient experienced POOR QUALITY PRODUCT ADMINISTERED (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023), PRODUCT TEMPERATURE EXCURSION ISSUE (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023) and NO ADVERSE EVENT (No adverse event). At the time of the report, POOR QUALITY PRODUCT ADMINISTERED (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023), PRODUCT TEMPERATURE EXCURSION ISSUE (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessments were provided for POOR QUALITY PRODUCT ADMINISTERED (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023) and PRODUCT TEMPERATURE EXCURSION ISSUE (Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb-2023).    No concomitant drug was reported. Nurse manager reporting that Monovalent Vaccine 6 months to 5 years, underwent temperature excursion started on 21-Feb2023. They were to be used within 24 hours but administered to 24 patients on unknown dates. Vaccine administration dates was unknown. Temperature excursion Timeframe: 21-Feb-2023, Max 8.60 degree Celsius for 10 hours and 57 minutes on 22-Feb-2023, Max 8.5 degree Celsius, Duration: 24 hours, 23-Feb2023. Max 8.5 degree Celsius, min 7.4-degree Celsius Duration: 17 hours and 56 minutes No treatment drug was reported. This case contains information for the 15 out of 24 Patients described by the reporter.   This case was linked to US-MODERNATX, INC.-MOD-2023-713467, US-MODERNATX, INC.-MOD-2023-713484, US-MODERNATX, INC.-MOD-2023-713485, US-MODERNATX, INC.-MOD-2023-713504, US-MODERNATX, INC.-MOD-2023-713471, US-MODERNATX, INC.-MOD-2023-713476, US-MODERNATX, INC.-MOD-2023-713479, US-MODERNATX, INC.-MOD-2023-713480, US-MODERNATX, INC.-MOD-2023-713481, US-MODERNATX, INC.-MOD-2023-713486, US-MODERNATX, INC.-MOD-2023-713488, US-MODERNATX, INC.-MOD-2023-713489, US-MODERNATX, INC.-MOD-2023-713492, US-MODERNATX, INC.-MOD-2023-713493, US-MODERNATX, INC.-MOD-2023-713495, US-MODERNATX, INC.-MOD-2023-713498, US-MODERNATX, INC.-MOD-2023-713499, US-MODERNATX, INC.-MOD-2023-713500, US-MODERNATX, INC.-MOD-2023-713505, US-MODERNATX, INC.-MOD-2023-713494, US-MODERNATX, INC.-MOD-2023-713490 (Linked Report).; Sender's Comments:  US-MODERNATX, INC.-MOD-2023-713467:Patient 1 out of 24 Patients US-MODERNATX, INC.-MOD-2023-713484:Same Reporter US-MODERNATX, INC.-MOD-2023-713485:Same Reporter US-MODERNATX, INC.-MOD-2023-713504:Same Reporter US-MODERNATX, INC.-MOD-2023-713471:Same Reporter US-MODERNATX, INC.-MOD-2023-713476:Same Reporter US-MODERNATX, INC.-MOD-2023-713479:Same Reporter US-MODERNATX, INC.-MOD-2023-713480:Same Reporter US-MODERNATX, INC.-MOD-2023-713481:Same Reporter US-MODERNATX, INC.-MOD-2023-713486:Same Reporter US-MODERNATX, INC.-MOD-2023-713488:Same Reporter US-MODERNATX, INC.-MOD-2023-713489:Same Reporter US-MODERNATX, INC.-MOD-2023-713492:Same Reporter US-MODERNATX, INC.-MOD-2023-713493:Same Reporter US-MODERNATX, INC.-MOD-2023-713495:Same Reporter US-MODERNATX, INC.-MOD-2023-713498:Same Reporter US-MODERNATX, INC.-MOD-2023-713499:Same Reporter US-MODERNATX, INC.-MOD-2023-713500:Same Reporter US-MODERNATX, INC.-MOD-2023-713505:Same Reporter US-MODERNATX, INC.-MOD-2023-713494:Same Reporter US-MODERNATX, INC.-MOD-2023-713490:Same Reporter