Patient received two vaccines and one from another country; I think my mom gave herself Moderna as the last vaccine; stroke/She is in bed with half of her body paralyzed; This spontaneous case was reported by a consumer and describes the occurrence of CEREBROVASCULAR ACCIDENT (stroke/She is in bed with half of her body paralyzed) in a female patient of an unknown age who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     Previously administered products included for Product used for unknown indication: COVID-19 vaccine (Dose 2) and COVID-19 vaccine (Dose 1). Past adverse reactions to the above products included No adverse event with COVID-19 vaccine and COVID-19 vaccine.    On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced CEREBROVASCULAR ACCIDENT (stroke/She is in bed with half of her body paralyzed) (seriousness criterion medically significant) and INTERCHANGE OF VACCINE PRODUCTS (Patient received two vaccines and one from another country; I think my mom gave herself Moderna as the last vaccine). At the time of the report, CEREBROVASCULAR ACCIDENT (stroke/She is in bed with half of her body paralyzed) outcome was unknown and INTERCHANGE OF VACCINE PRODUCTS (Patient received two vaccines and one from another country; I think my mom gave herself Moderna as the last vaccine) had resolved.            Concomitant medications were not reported.   Patient had three doses, two vaccines and one from another country. On her birthday, patient received the third vaccine and a month later the patient had a stroke. The patient was in bed with half of her body paralyzed.  No treatment information was provided.  Company Comment: This is a spontaneous case of interchange of vaccine products for this female patient, of unknown age, with past drug history of administration of two doses of the vaccine COVID-19 vaccine (unspecified brand), who experienced the unexpected, serious (medically significant) AESI of cerebrovascular accident. It was reported that the patient had a stroke a month after receiving a dose (third dose in the COVID-19 vaccination series) of the mRNA-1273 vaccine. Of note, the vaccination date and start date of the event were not provided. It was also reported that after suffering from stroke, the patient was in bed with half of her body paralyzed. No further details were provided. The outcome of the event was unknown at the time of the report. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This is a spontaneous case of interchange of vaccine products for this female patient, of unknown age, with past drug history of administration of two doses of the COVID-19 vaccine (unspecified brand), who experienced the unexpected, serious (medically significant) AESI of cerebrovascular accident. It was reported that the patient had a stroke a month after receiving a dose (third dose in the COVID-19 vaccination series) of the mRNA-1273 vaccine. Of note, the vaccination date and start date of the event were not provided. It was also reported that after suffering from stroke, the patient was in bed with half of her body paralyzed. No further details were provided. The outcome of the event was unknown at the time of the report. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.