it lead to the death of my mother; her mind went totally of the rails,She went from some minor memory problems to full blowing dementia/she became with dementia; she became totally helpless; unfunctioning after the second shot; This spontaneous case was reported by a consumer and describes the occurrence of DEATH (it lead to the death of my mother), DEMENTIA (her mind went totally of the rails,She went from some minor memory problems to full blowing dementia/she became with dementia), HELPLESSNESS (she became totally helpless) and MOBILITY DECREASED (unfunctioning after the second shot) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     Concurrent medical conditions included Memory disturbance (patient had minor memory problems).   On an unknown date, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced DEATH (it lead to the death of my mother) (seriousness criteria death and medically significant), DEMENTIA (her mind went totally of the rails,She went from some minor memory problems to full blowing dementia/she became with dementia) (seriousness criteria disability and medically significant), HELPLESSNESS (she became totally helpless) (seriousness criterion disability) and MOBILITY DECREASED (unfunctioning after the second shot) (seriousness criterion disability). The patient died on an unknown date. The cause of death was not reported. It is unknown if an autopsy was performed. At the time of death, DEMENTIA (her mind went totally of the rails,She went from some minor memory problems to full blowing dementia/she became with dementia), HELPLESSNESS (she became totally helpless) and MOBILITY DECREASED (unfunctioning after the second shot) outcome was unknown.            No concomitant medications or treatment details were reported.  The patient was in her 90s and was reportedly a vibrant person in full health and fully functioning. She just got her driving license and was driving, cooking, cleaning and walking. But within a week from the second shot she developed dementia and lead to her death.  This a report of dead  after receiving the product in a 90-years old female  patient with Relevant Medical  History of Minor memory problems.It is unknown if an autopsy was performed. 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. Very limited information regarding the event has been provided. Further information has been requested .   This case was linked to MOD-2021-294328 (Patient Link).; Sender's Comments: This a report of dead  after receiving the product in a 90-years old female  patient with Relevant Medical  History of Minor memory problems.It is unknown if an autopsy was performed. 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. Very limited information regarding the event has been provided. Further information has been requested .; Reported Cause(s) of Death: Unknown cause of death