Still can not bendover to pick up; No confidence in walking on looking up for fear of dizziness.; Difficulty speaking; Unable to walk without help; Everything spinning; Dizziness; Equilibrium problems; This case was initially received via an unknown source (no reference has been entered for a health authority or license partner) on 12-Mar-2021. The most recent information was received on 06-Jul-2021 and was forwarded to Moderna on 06-Jul-2021.    This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of DIZZINESS (Dizziness), BALANCE DISORDER (Equilibrium problems), GAIT DISTURBANCE (No confidence in walking on looking up for fear of dizziness.), SPEECH DISORDER (Difficulty speaking) and VERTIGO (Everything spinning) in a 77-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 024M20A and 027LZ0A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Seizure, Drug allergy (Allergy to coumadin (warfarin).) and Bronchiectasis. Concomitant products included RIVAROXABAN (XARELTO) for Clotting disorder, LEVETIRACETAM (KEPPRA) for Seizure.   On 16-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 13-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 16-Feb-2021, the patient experienced DIZZINESS (Dizziness) and BALANCE DISORDER (Equilibrium problems). On 17-Feb-2021, the patient experienced VERTIGO (Everything spinning). On 03-May-2021, the patient experienced SPEECH DISORDER (Difficulty speaking) and GAIT INABILITY (Unable to walk without help). On 18-May-2021, the patient experienced GAIT DISTURBANCE (No confidence in walking on looking up for fear of dizziness.). On an unknown date, the patient experienced MOBILITY DECREASED (Still can not bendover to pick up). The patient was treated with DIAZEPAM ongoing since an unknown date at a dose of 2 mg as required; Physical therapy (The doctor gave the patient excercises to do for five days, laying down.) for Dizziness and Physical therapy (The doctor gave the patient excercises to do for five days, laying down.) for Vertigo. At the time of the report, DIZZINESS (Dizziness) and VERTIGO (Everything spinning) had resolved and BALANCE DISORDER (Equilibrium problems), GAIT DISTURBANCE (No confidence in walking on looking up for fear of dizziness.), SPEECH DISORDER (Difficulty speaking), GAIT INABILITY (Unable to walk without help) and MOBILITY DECREASED (Still can not bendover to pick up) outcome was unknown. Not Provided    DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 08-May-2021, Computerised tomogram: normal (normal) Went to ER, CAT scan- ruled out stroke or bleed.. On 08-May-2021, Magnetic resonance imaging: normal (normal) Went to ER, MRI - ruled out stroke or bleed..     mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) and mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosing remained unchanged.     On 18 Feb 2021, the patient was asked to do exercise for 5 days but the patient quit after 4 days as it was compounding the problem.  The patient currently sees a physical therapist and does at home exercises if there is difficulty walking due to dizziness. The patient still cannot bend over to pick up something on the floor.   Most recent FOLLOW-UP information incorporated above includes: On 18-May-2021: Patient demographic details were updated, Relevant medical history was added, lab test was added dose 1 details were added, concomitant medication indication was updated, new events were added. On 06-Jul-2021: significant follow up appended