This is a spontaneous report from a contactable consumer (patient). A 77-year-old female patient received the second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE; solution for injection; Lot Number: ER8730) via an unspecified route of administration on 24Mar2021 at 10:30 (at the age of 76-years-old) as a single dose for COVID-19 immunisation. Medical history included ongoing pollen allergy from an unspecified date and ongoing ribs sore from an unspecified date. The patient stated that the pollen was bothering her and that she had been taking Zyrtec in the morning and at night. Medical history (including any illness at time of vaccination) was also reported as none. Family medical history relevant to the event was reported as "her son also had a seizure after the polio vaccine when he was 7 years old". Concomitant medications were not reported. It was reported that the patient denied any medications or medical conditions relevant to symptoms. There were no additional vaccines administered on the same date as the COVID-19 vaccine and there were no prior vaccinations received within 4 weeks of the COVID-19 vaccine. The patient previously received the first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 MRNA VACCINE; solution for injection; Lot Number: EN202) via an unspecified route of administration on 24Feb2021 (at the age of 76-years-old) as a single dose for COVID-19 immunisation. The patient previously received the polio vaccine on an unspecified date for immunization and experienced seizure and the patient previously received the flu shot on an unspecified date (6 years ago) for immunization and 8 hours after the vaccine was achy, sick, in bed for 9 days. Developed bronchitis and coughed so hard she cracked her ribs. Stated her ribs were still sore at times to this day. The patient stated that she would never get another flu shot and that her doctor agreed with her on that decision. On 25Mar2021 the patient experienced headaches, dizziness, dizziness comes and goes but it affects her vision, numb, head feels fuzzy/fuzziness is constant and eyes are crossing. The patient stated that she got her second dose of the vaccine on 24Mar2021. She reported that after her first shot she was fine. She stated that she started having headaches and dizziness the day after her second vaccine and this had lasted for 14 days. It has gone on now for several weeks and was not getting any better. She felt her symptoms went in different degrees at different times of the day. She might go one day without a headache. Today her headache was more like a numbness all around her head. She stated that her headaches come and go, sometimes start when her eyes pop open in the morning or at 10 AM. If she was going to have a headache that day, it usually started by 10 AM and was a full-blown headache. Stated her head always fely fuzzy and woozy and sometimes she felt like her eyes were crossing. She stated that she never got headaches; not since her early 20s. Dizziness continued to come and go, but it affected her vision and she was scared to drive and have a wreck. She reported that the symptoms were driving her bonkers. She also reported that she had to hold onto walls when she walked. The dizziness did not go away even when she laid down. She was dizzy when sitting on the sofa. Her head also felt fuzzy and numb, the fuzziness was constant. She reported that she felt disabled and felt like she was turning 100 instead of 77. She cannot lay in bed all the time and wanted to know how long these symptoms would last. The patient denied any labs, testing or treatment relevant to symptoms. She had not been to the doctor or to the emergency room in relation to these symptoms. She stated that she thought about it at times. She stated that she would have to call an ambulance to take her since she was scared to drive. Yesterday she thought she was not doing so bad and drove to the store. She stated that while in the store, her dizziness had her to where she could hardly pay for her items. Stated that it kind of felt like she was drunk, but she was not drunk. The patient stated that her experience with the polio vaccine made her almost not get the COVID-19 vaccine for fear it would bring on a similar situation. The clinical outcomes of the events headaches, dizziness, dizziness comes and goes but it affects her vision, numb, head feels fuzzy/fuzziness is constant and eyes are crossing were all not recovered/not resolved. No follow-up attempts are needed. No further information is expected.