after having the COVID-19 vaccine, she mentioned that she was very sick in the hospital and is now getting well; She had seizures after receiving the MMR vaccine; She described her adverse reaction by having stroke like symptoms which she described as she cannot speak; She described her adverse reaction by having stroke like symptoms which she described as having numbness in her hands, face and lips; She described her adverse reaction by having stroke like symptoms which she described as having numbness in her hands, face and lips; She also felt exhausted; she also has pain in her arm; She mentioned that she also has her vision affected/She couldn't drive/There were wavy lines all trough her eyes; She described her adverse raction by having intense headaches/She described her adverse reaction by having stroke like symptoms which she described as having headaches; She described her adverse reaction by having stroke like symptoms; She started to have hallucinations such as seeing people that weren't there, seeing snowstorms, and seeing things shipping throughout the wind.; This spontaneous report has been received from Pfizer Inc, and a nurse, referring to a 65-year-old female patient. The patient's pertinent medical history, previous drug reactions or allergies, and concomitant medications were not provided.  On unspecified date (reported as when the patient was younger), the patient was vaccinated with measles, mumps, and rubella virus vaccine (manufacturer unknown) (dose, vaccine scheme, route of administration, anatomical location, lot number and expiration date were not provided), as prophylaxis.  On an unknown date, after received the measles, mumps, and rubella virus vaccine (manufacturer unknown), the patient had seizures. She mentioned that she did not have adverse event (AEs) with other immunizations but the measles, mumps, and rubella virus vaccine (manufacturer unknown).  On 30-DEC-2020, the patient was vaccinated with the first dose of included SARS-CoV-2 spike protein mRNA vaccine (PFIZER BIONTECH COVID-19 VACCINE) (dose, route of administration and anatomical location were not provided), as prophylaxis. On an unknown date, after SARS-CoV-2 spike protein mRNA vaccine (PFIZER BIONTECH COVID-19 VACCINE) vaccination, she was very sick in the hospital. On 04-JAN-2021, she stated to experience an adverse reaction described as having intense headaches, having stroke-Iike symptoms (cerebrovascular accident), as she could not speak (speech disorder), having headaches, having numbness in her hands, face, and lips (hypoaesthesia and hypoaesthesia oral). The patient also felt exhausted (fatigue), had pain in her arm (but for that event she reported that she was not very concerned). Additionally, she mentioned that her vision was affected, she could not drive, and there were wavy lines all through her eyes (visual impairment). She also started to have hallucinations, such seeing people that weren't there, snowstorms, and things shipping throughout the wind. It was reported that the patient wanted to know recommendations about the second shot of the SARS-CoV-2 spike protein mRNA vaccine (PFIZER BIONTECH COVID-19 VACCINE) because with her experience, she was not comfortable having the second shot of that vaccine. At the reporting time, the patient was getting well from the event illness. The outcome of the cerebrovascular accident, headache, visual impairment, pain in extremity, fatigue, hypoaesthesia oral, hypoaesthesia, speech disorder, seizure and hallucination was not reported.  The causality assessment between the event seizure and measles, mumps, and rubella virus vaccine (manufacturer unknown) was not provided. The causality assessment between the events illness, cerebrovascular accident, headache, visual impairment, pain in extremity, fatigue, hypoaesthesia oral, hypoaesthesia, speech disorder, seizure and hallucination and the suspect vaccine was not provided.  Upon internal review, the events cerebrovascular accident, hallucination and seizure were determined to be medically significant.