The patient was unconscious at one point.; UTI; patient had pneumonia. They did a covid test last Wednesday, 11Aug2021, and the patient was positive; patient had pneumonia. They did a covid test last Wednesday, 11Aug2021, and the patient was positive; This is a spontaneous report from a contactable consumer (daughter) reported for father (patient). A 86-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Lot number, NDC and Expiration date was unknown), via an unspecified route of administration in arm on an unspecified date in 2021 (at the age of 86-year-old) as a dose 2, single and the patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Lot number, NDC and Expiration date was unknown), via an unspecified route of administration in arm on an unspecified date in 2021 (at the age of 86-year-old) as a dose 1, single for COVID-19 immunisation. The family medical history relevant to AE(s) was reported as none. The patient's medical history (including any illness at time of vaccination) included dementia, pacemaker, bedridden, degenerative valve disease, rhythm problems. The patient's concomitant medications included atorvastatin, tamsulosin taken for BPH, donepezil. History of all previous immunization with the Pfizer vaccine considered as suspect was reported as none. Additional vaccines administered on same date of the Pfizer suspect was reported as none. Prior vaccinations (within 4 weeks) were reported as none. The AE(s) following prior vaccinations were reported as none. It was reported that, the caller was a Pfizer colleague and was called on behalf of her father about the Pfizer covid vaccine. The patient has dementia and lives at a nursing home. The patient had a break through infection and the caller wanted to report it. The caller called someone earlier today on 16Aug2021, at Pfizer and stated that, she would start a report but only provided the patient's initials and date of birth. The caller's Territory. The caller was made aware that the patient was sick last week on 07Aug2021. They thought the patient had pneumonia. They did a covid test last Wednesday on 11Aug2021 and the patient was positive. Today on 16Aug2021, the caller was made aware of the patient having the positive covid test. When the patient first became sick they did a scan of the patient and everything. Today, the patient was doing so much better. The patient only had symptoms for 2 days. The patient was started on antibiotics, the caller thinks it was Augmentin. The patient was running a fever and they thought he had a UTI. The patient was coughing a little bit and the nurse practitioner heard wheezing so they thought the patient had pneumonia or a UTI. The caller didn't hear the patient coughing but they stated that, he was coughing on Saturday. The patient was unconscious at one point. The caller believed that, the patient got the vaccine in his arm like the rest of us. The AE(s) require a visit to emergency room was reported as no and to the physician office was reported as yes. On 11Aug2021, the patient underwent lab tests and procedures which included COVID-19 virus test (SARS-CoV-2 test), resulted as positive. The outcome of the events was unknown.