Form of epilepsy; Memory issues, forgot how to drive; This spontaneous case was reported by a non-health professional and describes the occurrence of EPILEPSY (Form of epilepsy) and MEMORY IMPAIRMENT (Memory issues, forgot how to drive) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.    On an unknown date, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced EPILEPSY (Form of epilepsy) (seriousness criteria hospitalization and medically significant) and MEMORY IMPAIRMENT (Memory issues, forgot how to drive) (seriousness criterion hospitalization). At the time of the report, EPILEPSY (Form of epilepsy) and MEMORY IMPAIRMENT (Memory issues, forgot how to drive) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       Concomitant product use was not provided by the reporter.  The patient experienced a form of epilepsy, memory issues, forgot how to drive, and in and out of the hospital after receiving the Moderna vaccine. It was reported that patient had very serious medical issues and her doctor said it was the vaccine.  No treatment medication details was provided and was reported that patient went in and out of the hospital after receiving the Moderna vaccine.  Company comment: This case concerns a female patient of an unknown age with no medical history provided, who experienced serious unexpected events of Epilepsy and Memory impairment after the vaccination with the mRNA-1273 vaccine (the dose of the vaccine was not specified). The exact temporal relationship between vaccination and the event occurrence cannot be determined as the date of vaccination and the start date of the events were not provided. Reportedly, the patient had form of epilepsy, as well as memory issues (it was stated that the patient forgot how to drive). It was also stated that the patient was in hospital, however, no further details regarding the clinical course of the events was provided. The outcome of the events was unknown. The re-challenge is not applicable as the dose of the vaccine was not specified and the outcome of the event was unknown. The reporter assessed the events as related to the product. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This case concerns a female patient of an unknown age with no medical history provided, who experienced serious unexpected events of Epilepsy and Memory impairment after the vaccination with the mRNA-1273 vaccine (the dose of the vaccine was not specified). The exact temporal relationship between vaccination and the event occurrence cannot be determined as the date of vaccination and the start date of the events were not provided. Reportedly, the patient had form of epilepsy, as well as memory issues (it was stated that the patient forgot how to drive). It was also stated that the patient was in hospital, however, no further details regarding the clinical course of the events was provided. The outcome of the events was unknown. The re-challenge is not applicable as the dose of the vaccine was not specified and the outcome of the event was unknown. The reporter assessed the events as related to the product. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.