I can't even move/ States it is absolutely ridiculous she cannot move around of having this vertigo, and got this vertigo since she got the booster shot; she has to be driven because she can't drive; she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.; Received the Moderna booster shot and she is not immunocompromised.; she went off balance from the vertigo and fell backwards; she went off balance from the vertigo and fell backwards, and hit her head; she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.; had complete vertigo/if she lays down and close her eyes, or if she lays down too fast, it will put her into the vertigo; I couldn't walk without falling down/I cannot get up and walk around without having vertigo/She just lays back on her sofa and gets the vertigo; This spontaneous case was reported by a consumer and describes the occurrence of VERTIGO (had complete vertigo/if she lays down and close her eyes, or if she lays down too fast, it will put her into the vertigo), GAIT DISTURBANCE (I couldn't walk without falling down/I cannot get up and walk around without having vertigo/She just lays back on her sofa and gets the vertigo), MOBILITY DECREASED (I can't even move/ States it is absolutely ridiculous she cannot move around of having this vertigo, and got this vertigo since she got the booster shot), IMPAIRED DRIVING ABILITY (she has to be driven because she can't drive) and BALANCE DISORDER (she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.) in a 62-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 010A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Encephalitis. Concurrent medical conditions included Disability and Asthma chronic.    On 26-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 25-Aug-2021, the patient experienced VERTIGO (had complete vertigo/if she lays down and close her eyes, or if she lays down too fast, it will put her into the vertigo) and GAIT DISTURBANCE (I couldn't walk without falling down/I cannot get up and walk around without having vertigo/She just lays back on her sofa and gets the vertigo). On an unknown date, the patient experienced MOBILITY DECREASED (I can't even move/ States it is absolutely ridiculous she cannot move around of having this vertigo, and got this vertigo since she got the booster shot), IMPAIRED DRIVING ABILITY (she has to be driven because she can't drive), BALANCE DISORDER (she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.), OFF LABEL USE (Received the Moderna booster shot and she is not immunocompromised.), BALANCE DISORDER (she went off balance from the vertigo and fell backwards), HEAD INJURY (she went off balance from the vertigo and fell backwards, and hit her head) and LIMB INJURY (she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.). At the time of the report, VERTIGO (had complete vertigo/if she lays down and close her eyes, or if she lays down too fast, it will put her into the vertigo), GAIT DISTURBANCE (I couldn't walk without falling down/I cannot get up and walk around without having vertigo/She just lays back on her sofa and gets the vertigo), MOBILITY DECREASED (I can't even move/ States it is absolutely ridiculous she cannot move around of having this vertigo, and got this vertigo since she got the booster shot), IMPAIRED DRIVING ABILITY (she has to be driven because she can't drive), BALANCE DISORDER (she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.), BALANCE DISORDER (she went off balance from the vertigo and fell backwards), HEAD INJURY (she went off balance from the vertigo and fell backwards, and hit her head) and LIMB INJURY (she went off balance from the vertigo and fell backwards, and hit her head and shoulders because of the vertigo.) had not resolved and OFF LABEL USE (Received the Moderna booster shot and she is not immunocompromised.) had resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No concomitant medication information provided by the reporter.  No treatment information provided.