extremity numbness,legs became weak and numb; legs became weak / Trouble throwing a ball, using a toothbrush,; feeling like there was a lump in the back of his throat; Trouble throwing a ball, using a toothbrush; Intermittent trouble in swallowing; "lose feelings on his legs and arms"/sensations are gone; Legs became weak and he was unable to walk; Legs hurt; Nausea; Vertigo; This spontaneous case was reported by a nurse and describes the occurrence of VERTIGO (Vertigo), GAIT INABILITY (Legs became weak and he was unable to walk), PAIN IN EXTREMITY (Legs hurt), DYSPHAGIA (Intermittent trouble in swallowing) and SENSORY LOSS ("lose feelings on his legs and arms"/sensations are gone) in a 43-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 002A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history provided by the reporter.  The patient's past medical history included Anaphylaxis. Concurrent medical conditions included Sulfonamide allergy.    On 03-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 03-Mar-2021, the patient experienced VERTIGO (Vertigo) and NAUSEA (Nausea). On 07-Mar-2021, the patient experienced PAIN IN EXTREMITY (Legs hurt). On 13-Mar-2021, the patient experienced GAIT INABILITY (Legs became weak and he was unable to walk) and SENSORY LOSS ("lose feelings on his legs and arms"/sensations are gone). On 27-Mar-2021, the patient experienced DYSPHAGIA (Intermittent trouble in swallowing). On an unknown date, the patient experienced HYPOAESTHESIA (extremity numbness,legs became weak and numb), MUSCULAR WEAKNESS (legs became weak / Trouble throwing a ball, using a toothbrush,), SENSATION OF FOREIGN BODY (feeling like there was a lump in the back of his throat) and LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Trouble throwing a ball, using a toothbrush). On 10-Mar-2021, VERTIGO (Vertigo) and NAUSEA (Nausea) had resolved. At the time of the report, GAIT INABILITY (Legs became weak and he was unable to walk), PAIN IN EXTREMITY (Legs hurt), DYSPHAGIA (Intermittent trouble in swallowing), SENSORY LOSS ("lose feelings on his legs and arms"/sensations are gone), HYPOAESTHESIA (extremity numbness,legs became weak and numb), MUSCULAR WEAKNESS (legs became weak / Trouble throwing a ball, using a toothbrush,), SENSATION OF FOREIGN BODY (feeling like there was a lump in the back of his throat) and LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Trouble throwing a ball, using a toothbrush) outcome was unknown. Not Provided    DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Computerised tomogram: normal (normal) Normal. On an unknown date, Magnetic resonance imaging head: normal (normal) Normal for Brain and Neck.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Concomitant product use was not provided by the reporter.  Treatment medication was not provided by the reporter  Pt is scheduled to see a neurologist next week. Pt notes he experienced anaphylaxis to sulfa for the first time this past summer that required the use of an epi pen. Pt states he has a lung issue but otherwise is healthy. Pt reports no neurological symptoms prior to the vaccine. Patient was advised to continue to monitor his symptoms and keep his PCP up to date.  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.   Most recent FOLLOW-UP information incorporated above includes: On 02-Jul-2021: Significant follow up; 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.