Arthritis; Interchange of vaccine products; Revaccination with different COVID-19 vaccine; Inappropriate schedule of vaccine administered; Bone pain/Pain in collar bone; Pain in jaw; Shoulder pain/Pain in shoulder back of neck/Knee pain/Pain in knees; Chest pain/Pain in chest; Neck pain/Pain in neck; Back pain/Pain in back due to cooking and picking up heavy dishes and grocery; Feeling bad/Felt little bad; Weakness/Weak; Pulled muscle/Pain in back due to cooking and picking up heavy dishes and grocery/pulled a muscle; This spontaneous case was reported by a consumer and describes the occurrence of FEELING ABNORMAL (Feeling bad/Felt little bad), ASTHENIA (Weakness/Weak), MUSCLE STRAIN (Pulled muscle/Pain in back due to cooking and picking up heavy dishes and grocery/pulled a muscle), BACK PAIN (Back pain/Pain in back due to cooking and picking up heavy dishes and grocery) and CHEST PAIN (Chest pain/Pain in chest) in a 70-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.    Co-suspect products included non-company products TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) for COVID-19 vaccination and ADALIMUMAB (HUMIRA) for Ankylosing spondylitis.    Concurrent medical conditions included Pain in knee.   On 01-Feb-2021, the patient received first dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) 1 dosage form. On 25-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 01-Mar-2021, received second dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) dosage was changed to 1 dosage form. On 25-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 23-Nov-2021, ADALIMUMAB (HUMIRA) (Subcutaneous) dosage was changed to at an unspecified dose. On 30-Nov-2021, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On an unknown date, the patient started ADALIMUMAB (HUMIRA) (Subcutaneous) at an unspecified dose. On an unknown date, ADALIMUMAB (HUMIRA) (Subcutaneous) dosage was changed to at an unspecified dose. In November 2021, the patient experienced FEELING ABNORMAL (Feeling bad/Felt little bad), ASTHENIA (Weakness/Weak) and MUSCLE STRAIN (Pulled muscle/Pain in back due to cooking and picking up heavy dishes and grocery/pulled a muscle). On 24-Nov-2021, the patient experienced BACK PAIN (Back pain/Pain in back due to cooking and picking up heavy dishes and grocery). On 26-Dec-2021, the patient experienced CHEST PAIN (Chest pain/Pain in chest), NECK PAIN (Neck pain/Pain in neck), PAIN IN JAW (Pain in jaw) and ARTHRALGIA (Shoulder pain/Pain in shoulder back of neck/Knee pain/Pain in knees). On 11-Jan-2022, the patient experienced BONE PAIN (Bone pain/Pain in collar bone). On an unknown date, the patient experienced ARTHRITIS (Arthritis), INTERCHANGE OF VACCINE PRODUCTS (Interchange of vaccine products), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered). The patient was treated with PARACETAMOL (TYLENOL) at an unspecified dose and frequency. At the time of the report, FEELING ABNORMAL (Feeling bad/Felt little bad), ASTHENIA (Weakness/Weak), MUSCLE STRAIN (Pulled muscle/Pain in back due to cooking and picking up heavy dishes and grocery/pulled a muscle), ARTHRITIS (Arthritis), INTERCHANGE OF VACCINE PRODUCTS (Interchange of vaccine products), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (Inappropriate schedule of vaccine administered) outcome was unknown, BACK PAIN (Back pain/Pain in back due to cooking and picking up heavy dishes and grocery) had resolved and CHEST PAIN (Chest pain/Pain in chest), NECK PAIN (Neck pain/Pain in neck), BONE PAIN (Bone pain/Pain in collar bone), PAIN IN JAW (Pain in jaw) and ARTHRALGIA (Shoulder pain/Pain in shoulder back of neck/Knee pain/Pain in knees) was resolving.            This case was identified as part of a retrospective clean-up activity where certain emails received in the Moderna mailbox were missed to be booked-in.  No concomitant medication was provided. Patient had X-ray on an unknown date in 2022 and result was unknown. It was reported that patient experienced knee pain again on 10-JAN-2022 which was not recovered. It was unknown if patient was enrolled in a COVID-19 Vaccine Trial.