left sided arm and leg weakness; deltoid burning sensation; right sided arm and leg weakness; can't drive, cook, perform daily activities by herself; limp when she walked; body ache; headache; nausea; fatigue; burning sensation at the site of the injection; This spontaneous case was reported by a health care professional and describes the occurrence of LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can't drive, cook, perform daily activities by herself), GAIT DISTURBANCE (limp when she walked), BURNING SENSATION (deltoid burning sensation), MUSCULAR WEAKNESS (right sided arm and leg weakness) and MUSCULAR WEAKNESS (left sided arm and leg weakness) in a 36-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 026L20A and 039K20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Shellfish allergy and Drug allergy (Benzyl peroxide). Concomitant products included VITAMIN D [VITAMIN D NOS] for an unknown indication.   On 28-Dec-2020, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 25-Jan-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 25-Jan-2021, the patient experienced LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can't drive, cook, perform daily activities by herself) and MYALGIA (body ache). 25-Jan-2021, the patient experienced GAIT DISTURBANCE (limp when she walked), MUSCULAR WEAKNESS (right sided arm and leg weakness), HEADACHE (headache), NAUSEA (nausea), FATIGUE (fatigue) and VACCINATION SITE PAIN (burning sensation at the site of the injection). On 29-Jan-2021, the patient experienced BURNING SENSATION (deltoid burning sensation). On 23-Feb-2021, the patient experienced MUSCULAR WEAKNESS (left sided arm and leg weakness). The patient was treated with VITAMIN B COMPLEX (B COMPLEX [VITAMIN B COMPLEX]) at an unspecified dose and frequency; Physical therapy for Loss of personal independence in daily activities; Physical therapy for Gait disturbance; Physical therapy for Burning sensation; Physical therapy for Muscular weakness; Physical therapy for Muscular weakness; Physical therapy for Myalgia; Physical therapy for Headache; Physical therapy for Nausea; Physical therapy for Fatigue and Physical therapy for Vaccination site pain. At the time of the report, LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can't drive, cook, perform daily activities by herself), GAIT DISTURBANCE (limp when she walked), BURNING SENSATION (deltoid burning sensation), MUSCULAR WEAKNESS (right sided arm and leg weakness), MUSCULAR WEAKNESS (left sided arm and leg weakness), MYALGIA (body ache), HEADACHE (headache), NAUSEA (nausea), FATIGUE (fatigue) and VACCINATION SITE PAIN (burning sensation at the site of the injection) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 28-Jan-2021, Magnetic resonance imaging: normal (normal) MRI of brain. On 29-Jan-2021, Blood test: normal (normal) 2 blood tests (unspecified). On 29-Jan-2021, Magnetic resonance imaging: normal (normal) MRI of cervical spine all the way through lumbar spine, to rule out transverse myelitis but was told that there were no signs of inflammation seen. Went to emergency room and urgent care..     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   This case was linked to MOD-2021-032149 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 02-Mar-2021: Significant follow up received on 02-mar-2021 contains Reporter details, medical history, lab data, concomitants and treatment were updated. On 07-Apr-2021: Follow up received on 07-apr-2021 contains no new information.