Can not walk right; Eyes can not focus; Sweating/drenched clothes; Memory Problems; Hateful behavior; Vaccine is eating me inside and out after second dose/It crippled me/does not feel well; Trouble sleeping; High Blood Pressure; No energy; Agitated; Too much pain; Pain on the injection site after second dose; Muscles are out; Chills; This spontaneous case was reported by a consumer and describes the occurrence of GAIT DISTURBANCE (Can not walk right) in a 65-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 661 003B21A and 025A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Brain injuries (Had brain injuries since the accident), Motor vehicle accident and Drug allergy (Allergic to an injection during surgery about 50 years ago.). Concurrent medical conditions included Disability.   On 10-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 07-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On 08-Apr-2021, the patient experienced GAIT DISTURBANCE (Can not walk right) (seriousness criterion medically significant), VISION BLURRED (Eyes can not focus), HYPERHIDROSIS (Sweating/drenched clothes), MEMORY IMPAIRMENT (Memory Problems), ABNORMAL BEHAVIOUR (Hateful behavior), VACCINATION COMPLICATION (Vaccine is eating me inside and out after second dose/It crippled me/does not feel well), SLEEP DISORDER (Trouble sleeping), HYPERTENSION (High Blood Pressure), ASTHENIA (No energy), AGITATION (Agitated), PAIN (Too much pain), VACCINATION SITE PAIN (Pain on the injection site after second dose), MUSCULAR WEAKNESS (Muscles are out) and CHILLS (Chills). On 10-Apr-2021, HYPERHIDROSIS (Sweating/drenched clothes), VACCINATION SITE PAIN (Pain on the injection site after second dose) and CHILLS (Chills) had resolved. At the time of the report, GAIT DISTURBANCE (Can not walk right), VISION BLURRED (Eyes can not focus), MEMORY IMPAIRMENT (Memory Problems), ABNORMAL BEHAVIOUR (Hateful behavior), SLEEP DISORDER (Trouble sleeping), HYPERTENSION (High Blood Pressure), ASTHENIA (No energy), AGITATION (Agitated), PAIN (Too much pain) and MUSCULAR WEAKNESS (Muscles are out) outcome was unknown and VACCINATION COMPLICATION (Vaccine is eating me inside and out after second dose/It crippled me/does not feel well) had not resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood pressure measurement: high (High) High. On an unknown date, Blood test: normal (normal) all blood tests were normal..         Concomitant medications were not reported.  No treatment details were provided. 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.   This case was linked to MOD-2021-281242 (Patient Link).; 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.