burning sensation on his legs and arms and feet/burning sensation in his feet; suffering for 16 months; using a walker; feeble; palpitations/heart palpitations; sweating; falling over; hardly get 3 hours of sleep at night; off balance/imbalance; spine is cracking; pain in back, shoulders, legs/pain in all his body; twitching/rocking on a boat; illness; Concentration impaired; can hardly do anything/life has made a drastic change for the worst; blurry vision; tested positive for COVID; dizziness; pins and needles; tiring; headache; fever; This spontaneous case was reported by a patient family member or friend and describes the occurrence of BURNING SENSATION (burning sensation on his legs and arms and feet/burning sensation in his feet), FEELING ABNORMAL (suffering for 16 months), GAIT DISTURBANCE (using a walker), ASTHENIA (feeble) and PALPITATIONS (palpitations/heart palpitations) in a 41-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 054C21A and 014C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 03-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 04-Jun-2021, received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 05-Jun-2021, the patient experienced PYREXIA (fever). On an unknown date, the patient experienced BURNING SENSATION (burning sensation on his legs and arms and feet/burning sensation in his feet), FEELING ABNORMAL (suffering for 16 months), GAIT DISTURBANCE (using a walker), ASTHENIA (feeble), PALPITATIONS (palpitations/heart palpitations), HYPERHIDROSIS (sweating), FALL (falling over), INSOMNIA (hardly get 3 hours of sleep at night), BALANCE DISORDER (off balance/imbalance), SPINAL PAIN (spine is cracking), PAIN (pain in back, shoulders, legs/pain in all his body), MUSCLE TWITCHING (twitching/rocking on a boat), ILLNESS (illness), DISTURBANCE IN ATTENTION (Concentration impaired), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can hardly do anything/life has made a drastic change for the worst), VISION BLURRED (blurry vision), COVID-19 (tested positive for COVID), DIZZINESS (dizziness), PARAESTHESIA (pins and needles), FATIGUE (tiring) and HEADACHE (headache). At the time of the report, BURNING SENSATION (burning sensation on his legs and arms and feet/burning sensation in his feet), PALPITATIONS (palpitations/heart palpitations), HYPERHIDROSIS (sweating), FALL (falling over), INSOMNIA (hardly get 3 hours of sleep at night), BALANCE DISORDER (off balance/imbalance), PAIN (pain in back, shoulders, legs/pain in all his body), MUSCLE TWITCHING (twitching/rocking on a boat), ILLNESS (illness), DISTURBANCE IN ATTENTION (Concentration impaired), VISION BLURRED (blurry vision), COVID-19 (tested positive for COVID), DIZZINESS (dizziness), PARAESTHESIA (pins and needles), FATIGUE (tiring) and PYREXIA (fever) had resolved and FEELING ABNORMAL (suffering for 16 months), GAIT DISTURBANCE (using a walker), ASTHENIA (feeble), SPINAL PAIN (spine is cracking), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can hardly do anything/life has made a drastic change for the worst) and HEADACHE (headache) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, SARS-CoV-2 test: Positive. On an unknown date, Weight: lost a lot, a lot of weight.         Concomitant medications was not reported. Patient had no allergies reported.  Patient had covid-19 test on an unknown date. The patient had not experienced a similar event in the past. The patient was prescribed oral medication when he tested positive for COVID (about 6 months ago). The patient had been going to the hospital.He had been falling over for months, so he had many trips to the emergency room.