Expired vaccine used; This spontaneous case was reported by an other health care professional and describes the occurrence of EXPIRED PRODUCT ADMINISTERED (Expired vaccine used) in a 66-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 038B21A, 003B21A and 003B21A) for COVID-19 vaccination.     Previously administered products included for Influenza immunisation: Influenza (Series 1) on 10-Jan-2019, Influenza (Series 2) on 08-Dec-2020 and Influenza (Series 3) on 01-Nov-2021. Past adverse reactions to the above products included No adverse reaction with Influenza, Influenza and Influenza. Concurrent medical conditions included Hypertriglyceridemia, Hypertension, Hyperlipidemia, Osteoarthritis, Pharyngitis, Impaired fasting glucose, Hearing loss, Polycythemia, Reactive airways disease, Bronchitis, Sore throat, Vitamin deficiency (B12 deficiency), Tinnitus, Memory loss, Low HDL, Erectile dysfunction, Hypogonadism male, Chronic hepatitis C, Hemophilia A (Factor VIII) (Hemophilia factor VIII deficiency), Sleep apnea, Arthritis and Blood glucose increased. Concomitant products included TADALAFIL (CIALIS) for Sexual dysfunction, MULTIVITAMINS [VITAMINS NOS], OMEPRAZOLE (PRILOSEC [OMEPRAZOLE]), CYANOCOBALAMIN, FOLIC ACID, PYRIDOXINE HYDROCHLORIDE (FOLBEE), PROBIOTICS NOS, UBIDECARENONE (COQ10 [UBIDECARENONE]), ZOLPIDEM TARTRATE, ROSUVASTATIN CALCIUM, LOSARTAN POTASSIUM, CELECOXIB, METOPROLOL SUCCINATE and METFORMIN HYDROCHLORIDE (METFORMIN ER) for an unknown indication.   On 24-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 21-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 12-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 12-Nov-2021, the patient experienced EXPIRED PRODUCT ADMINISTERED (Expired vaccine used). On 12-Nov-2021, EXPIRED PRODUCT ADMINISTERED (Expired vaccine used) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Electrocardiogram: ekg abnormal (abnormal) EKG Abnormal. On an unknown date, Investigation: results not reported Screen Colon cancer, Results not provided, results not reported Screen Lung cancer, Results not provided, results not reported Screen Skin cancer, Results not provided and results not reported Screening for Prostrate cancer, Results not provided. On an unknown date, Laboratory test: results not reported Lab exam, Results not provided. On an unknown date, Physical examination: results not reported Physical Examination routine, Results not provided.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   The dose was administered after 30-day Use by Date or after manufacturer date of expiry.  It was reported that the patient had observation and evaluation for suspected exposure to other biological agent.  The patient underwent preoperative examination, Lab exam, screen lung cancer, screen skin cancer, screening for prostrate cancer and screen colon cancer. The patient had few pending services such as HEMOCCULT or SIGMOID, Flu vaccine, Pneumovax and TD booster.  No treatment information was provided.   This case was linked to MOD21-174357 (Patient Link).