left arm, his left rotator cuff started popping and cracking; little bit of dizziness; finger coordination affected; dropping things more frequently and the muscles in his hands are deteriorating; body progressively started cracking and popping. With his fingers it feels like its creaking, like a creaking sensation when he flexes more and move them; felt like he had gotten into a car accident after waking up; sore after the booster; shivering/chills; joint pain; tingling sensation throughout his body but especially in his fingers and feet/tingling is all around his body; Right forefoot was popping and cracking; muscle loss and muscle atrophy; This spontaneous case was reported by a patient and describes the occurrence of MUSCLE ATROPHY (muscle loss and muscle atrophy), ROTATOR CUFF SYNDROME (left arm, his left rotator cuff started popping and cracking), DIZZINESS (little bit of dizziness), COORDINATION ABNORMAL (finger coordination affected) and MUSCLE DISORDER (dropping things more frequently and the muscles in his hands are deteriorating) in a 24-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 021B21A and 040B21A) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.    Co-suspect product included non-company product TOZINAMERAN (COMIRNATY) for an unknown indication.    No Medical History information was reported.   On 27-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 24-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient received dose of TOZINAMERAN (COMIRNATY) (unknown route) 1 dosage form. In April 2021, the patient experienced ARTHRALGIA (joint pain) and PARAESTHESIA (tingling sensation throughout his body but especially in his fingers and feet/tingling is all around his body). In 2021, the patient experienced MUSCLE ATROPHY (muscle loss and muscle atrophy) and LIMB DISCOMFORT (Right forefoot was popping and cracking). On an unknown date, the patient experienced ROTATOR CUFF SYNDROME (left arm, his left rotator cuff started popping and cracking), DIZZINESS (little bit of dizziness), COORDINATION ABNORMAL (finger coordination affected), MUSCLE DISORDER (dropping things more frequently and the muscles in his hands are deteriorating), CREPITATIONS (body progressively started cracking and popping. With his fingers it feels like its creaking, like a creaking sensation when he flexes more and move them), FEELING ABNORMAL (felt like he had gotten into a car accident after waking up), PAIN (sore after the booster) and CHILLS (shivering/chills). At the time of the report, MUSCLE ATROPHY (muscle loss and muscle atrophy), ROTATOR CUFF SYNDROME (left arm, his left rotator cuff started popping and cracking), LIMB DISCOMFORT (Right forefoot was popping and cracking), CREPITATIONS (body progressively started cracking and popping. With his fingers it feels like its creaking, like a creaking sensation when he flexes more and move them), ARTHRALGIA (joint pain) and PARAESTHESIA (tingling sensation throughout his body but especially in his fingers and feet/tingling is all around his body) had not resolved and DIZZINESS (little bit of dizziness), COORDINATION ABNORMAL (finger coordination affected), MUSCLE DISORDER (dropping things more frequently and the muscles in his hands are deteriorating), FEELING ABNORMAL (felt like he had gotten into a car accident after waking up), PAIN (sore after the booster) and CHILLS (shivering/chills) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In November 2021, Magnetic resonance imaging neck: found a tumor on the submandibular gland that got removed on 29 Dec 2021 and it was benign. On 21-Dec-2021, Electromyogram: Results were unknown. In January 2022, Haemochromatosis: (Negative) Negative. In January 2022, Serum ferritin: 831 ng/mL. In January 2022, Transferrin saturation: 50 %. The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown. No concomitant medications were reported.  No other vaccines were administered to the patient and No Prior Vaccinations (within 4 weeks) was administered to the patient. Patient received the Booster Shot some time in the morning 4. Patient symptoms right now is progressively getting worse and his symptoms spiked after the Pfizer COVID-19 booster dose. States 3 weeks ago he noticed his left arm, his left rotator cuff started popping and cracking. He did get his Moderna doses in last year March and April, and he has had ongoing joint pain since last April, and a tingling sensation throughout his body but especially in his fingers and feet.  The tingling started with the first dose but then dramatically spiked after the second dose. It all started with the first does and then got worse with the second dose. The muscle loss and atrophy began in the beginning but it was so miniscule, overtime it accumulated over the year. Left rotator cuff started popping and cracking: Immediately Started 3 days after the booster shot, caller clarified that it did not happen with the first or second vaccines.  Patient got the Moderna Covid-19 vaccine and from that vaccine he has also experienced tingling sensation and joint pain and it usually goes away. It was not the severe as what patient is experiencing after getting the booster shot. Patient said that it's progressively getting worse.  No treatment details were reported.  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.   Reporter did not allow further contact