autoimmune disease; It didn't let her walk; she started having swelling on her feet / severe pain on her feet; little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck; she can't move her fingers at times; little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck; can't do work; little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck/migrates; little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck; little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck; all muscle pain to her body/little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, al the places of the body; headache; She was having muscle pain on the right leg/ it happened twice in july on the same leg, same portion, in the thigh/ stated it's like all muscle pain to her body; This spontaneous case was reported by a consumer and describes the occurrence of AUTOIMMUNE DISORDER (autoimmune disease) in a 45-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 041C21A and OZSB21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Autoimmune disorder.   On 30-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 28-May-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In July 2021, the patient experienced MYALGIA (She was having muscle pain on the right leg/ it happened twice in july on the same leg, same portion, in the thigh/ stated it's like all muscle pain to her body). On an unknown date, the patient experienced AUTOIMMUNE DISORDER (autoimmune disease) (seriousness criterion medically significant), GAIT DISTURBANCE (It didn't let her walk), PERIPHERAL SWELLING (she started having swelling on her feet / severe pain on her feet), SPINAL PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), MOBILITY DECREASED (she can't move her fingers at times), NECK PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), IMPAIRED WORK ABILITY (can't do work), PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck/migrates), PAIN IN EXTREMITY (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), ARTHRALGIA (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), MYALGIA (all muscle pain to her body/little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, al the places of the body) and HEADACHE (headache). The patient was treated with HYDROXYCHLOROQUINE for Adverse event, at an unspecified dose and frequency; ENALAPRIL MALEATE for Adverse event, at an unspecified dose and frequency and PREDNISOLONE for Adverse event, at an unspecified dose and frequency. At the time of the report, AUTOIMMUNE DISORDER (autoimmune disease), GAIT DISTURBANCE (It didn't let her walk), PERIPHERAL SWELLING (she started having swelling on her feet / severe pain on her feet), SPINAL PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), MOBILITY DECREASED (she can't move her fingers at times), NECK PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), IMPAIRED WORK ABILITY (can't do work), PAIN (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck/migrates), PAIN IN EXTREMITY (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), ARTHRALGIA (little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, all the places of the body, spinal cord, feet, neck), MYALGIA (all muscle pain to her body/little pain, sometimes on the leg, sometimes on the shoulder, sometimes on the hand, al the places of the body), HEADACHE (headache) and MYALGIA (She was having muscle pain on the right leg/ it happened twice in July on the same leg, same portion, in the thigh/ stated it's like all muscle pain to her body) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In August 2021, Blood test: abnormal (abnormal) autoimmune disease.         No concomitant medication were provided.  Patient was made different tests, including ECG test and other but all was fine, except for the antibody testing: The doctor figured out in a blood report that they were special antibodies, this was figured out on 17 or 18august2021, and she had an autoimmune disease.  Very limited information regarding these events has been provided at this time. However, patient's past medical history may have a confounding effect on it's contributory role. Further information has been requested.; Sender's Comments: Very limited information regarding these events has been provided at this time. However, patient's past medical history may have a confounding effect on it's contributory role. Further information has been requested.