limited mobility and difficulty when she is bathing by not able to wash her shoulder or wash her hair/ not able to move; tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit / tingling and numbness is like going from collarbone to her neck; numbness is like going from collarbone to her neck/ tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit; Shoulder Free or Frozen Shoulder; she feels weak/  lack of strength; extreme soreness on both arm; fatigue; This spontaneous case was reported by a consumer and describes the occurrence of MOBILITY DECREASED (limited mobility and difficulty when she is bathing by not able to wash her shoulder or wash her hair/ not able to move), PARAESTHESIA (tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit / tingling and numbness is like going from collarbone to her neck), HYPOAESTHESIA (numbness is like going from collarbone to her neck/ tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit), PERIARTHRITIS (Shoulder Free or Frozen Shoulder) and ASTHENIA (she feels weak/  lack of strength) in a 49-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 012A21A and 007M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concomitant products included MULTIVITAMIN [VITAMINS NOS] for an unknown indication.   On 02-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 03-Mar-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 experienced MOBILITY DECREASED (limited mobility and difficulty when she is bathing by not able to wash her shoulder or wash her hair/ not able to move), PARAESTHESIA (tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit / tingling and numbness is like going from collarbone to her neck), HYPOAESTHESIA (numbness is like going from collarbone to her neck/ tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit), PERIARTHRITIS (Shoulder Free or Frozen Shoulder), ASTHENIA (she feels weak/  lack of strength), MYALGIA (extreme soreness on both arm) and FATIGUE (fatigue). The patient was treated with NAPROXEN SODIUM (ALEVE) for Adverse event, at a dose of 1 dosage form; IBUPROFEN (ADVIL [IBUPROFEN]) for Adverse event, at a dose of 1 dosage form and Physical therapy (HCP recommended physical therapy for Frozen shoulder.) for Periarthritis. At the time of the report, MOBILITY DECREASED (limited mobility and difficulty when she is bathing by not able to wash her shoulder or wash her hair/ not able to move), PARAESTHESIA (tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit / tingling and numbness is like going from collarbone to her neck), HYPOAESTHESIA (numbness is like going from collarbone to her neck/ tingling and numbness that is going from her elbow to tip of her fingers sometime under armpit), PERIARTHRITIS (Shoulder Free or Frozen Shoulder), ASTHENIA (she feels weak/  lack of strength), MYALGIA (extreme soreness on both arm) and FATIGUE (fatigue) had not resolved.            Patient went to the healthcare professional on 29 Mar 2021.  Treatment for the events included heat compression, muscle massage and hot tub.   Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.   This case was linked to MOD-2021-237865 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 02-Aug-2021: NNI; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.