Felt lightheaded; Neurologic event; left cheek, arm and leg on the left side felt numb; can't stand on the left leg; falling; fell in the bathroom and cut eye and got black and blue, knocked head; pain; fever of 99 and something, which is high for her, usually her temperature is around 97; aches; sleeping a lot; weak, could not get up, right hand is weak, progressive weakness; This spontaneous case was reported by a patient family member or friend (subsequently medically confirmed) and describes the occurrence of ASTHENIA (weak, could not get up, right hand is weak, progressive weakness), HYPOAESTHESIA (left cheek, arm and leg on the left side felt numb), DYSSTASIA (can't stand on the left leg), FALL (falling) and INJURY (fell in the bathroom and cut eye and got black and blue, knocked head) in a 79-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 020621A and 003AZIA) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Diabetes, Hypertension and COPD. Concomitant products included GLIPIZIDE and METFORMIN for Diabetes, SERTRALINE for an unknown indication.   On 26-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 23-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In April 2021, the patient experienced ASTHENIA (weak, could not get up, right hand is weak, progressive weakness) (seriousness criteria medically significant and intervention required), HYPERSOMNIA (sleeping a lot), PAIN (pain), PYREXIA (fever of 99 and something, which is high for her, usually her temperature is around 97) and MYALGIA (aches). On 29-Apr-2021, the patient experienced HYPOAESTHESIA (left cheek, arm and leg on the left side felt numb) (seriousness criteria medically significant and intervention required), DYSSTASIA (can't stand on the left leg) (seriousness criteria medically significant and intervention required), FALL (falling) (seriousness criteria medically significant and intervention required) and INJURY (fell in the bathroom and cut eye and got black and blue, knocked head) (seriousness criteria medically significant and intervention required). On 30-Apr-2021, the patient experienced NERVOUS SYSTEM DISORDER (Neurologic event) and DIZZINESS (Felt lightheaded). The patient was treated with Rehabilitation therapy for Asthenia; Rehabilitation therapy for Hypoaesthesia; Rehabilitation therapy for Dysstasia; Rehabilitation therapy for Fall; Rehabilitation therapy for Injury; Rehabilitation therapy for Nervous system disorder and Rehabilitation therapy for Hypersomnia. At the time of the report, ASTHENIA (weak, could not get up, right hand is weak, progressive weakness) and NERVOUS SYSTEM DISORDER (Neurologic event) had not resolved and HYPOAESTHESIA (left cheek, arm and leg on the left side felt numb), DYSSTASIA (can't stand on the left leg), FALL (falling), INJURY (fell in the bathroom and cut eye and got black and blue, knocked head), HYPERSOMNIA (sleeping a lot), DIZZINESS (Felt lightheaded), PAIN (pain), PYREXIA (fever of 99 and something, which is high for her, usually her temperature is around 97) and MYALGIA (aches) outcome was unknown.            Events began after second dose of vaccine. Treatment included ibuprofen. Patient was taken to an emergency room on 30-Apr-2021. CT scan (computed tomography) and blood tests performed. Patient was not admitted to the hospital, but was transferred to a rehabilitation center.   Most recent FOLLOW-UP information incorporated above includes: On 06-May-2021: No specific follow-up information recorded.; Sender's Comments: Based on current available information and the temporal association between product use and the start date of the events a causal relationship cannot be excluded.