Her joints started swelling & now she's in a wheelchair; Incontinence; Drainage; Left knee is hurting pretty bad right now; Didn't take the 2nd dose on time due to her running a temperature; Sore, tight, swollen glands in her neck; Running a temperature; Chest congestion; Flu-like symptoms; Sores in her mouth; Strep throat; she couldn't turn over in the bed because her left arm hurt for 4 or 5 days; This spontaneous case was reported by a consumer and describes the occurrence of JOINT SWELLING (Her joints started swelling & now she's in a wheelchair) in an 84-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.     The patient's past medical history included Heart valve disorders. Concurrent medical conditions included Vision abnormal (Losing eyesight in her left eye) and Swelling of legs (Legs swelling when she sits down).    On 08-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In February 2021, the patient experienced CHEST DISCOMFORT (Chest congestion), INFLUENZA LIKE ILLNESS (Flu-like symptoms), STOMATITIS (Sores in her mouth), PHARYNGITIS STREPTOCOCCAL (Strep throat), PAIN IN EXTREMITY (she couldn't turn over in the bed because her left arm hurt for 4 or 5 days), LYMPHADENOPATHY (Sore, tight, swollen glands in her neck) and PYREXIA (Running a temperature). On an unknown date, the patient experienced JOINT SWELLING (Her joints started swelling & now she's in a wheelchair) (seriousness criterion disability), INCONTINENCE (Incontinence), (Drainage), ARTHRALGIA (Left knee is hurting pretty bad right now) and INTENTIONAL DOSE OMISSION (Didn't take the 2nd dose on time due to her running a temperature). At the time of the report, JOINT SWELLING (Her joints started swelling & now she's in a wheelchair), CHEST DISCOMFORT (Chest congestion), INFLUENZA LIKE ILLNESS (Flu-like symptoms), STOMATITIS (Sores in her mouth), PHARYNGITIS STREPTOCOCCAL (Strep throat), INCONTINENCE (Incontinence), (Drainage), LYMPHADENOPATHY (Sore, tight, swollen glands in her neck), PYREXIA (Running a temperature) and ARTHRALGIA (Left knee is hurting pretty bad right now) outcome was unknown and PAIN IN EXTREMITY (she couldn't turn over in the bed because her left arm hurt for 4 or 5 days) and INTENTIONAL DOSE OMISSION (Didn't take the 2nd dose on time due to her running a temperature) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: abnormal (abnormal) Abnormal.     mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was temporarily withheld on an unknown date.       Concomitant product use was not provided by the reporter. Treatment for the event included drainage.  Company Comment: 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-2021-285289 (Patient Link).; 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.