Infected with COVID; Infected with COVID; This is a spontaneous report received from a contactable reporter (Consumer). The reporter was calling on behalf of his mother.  A 93 year-old female patient received bnt162b2 (BNT162B2) (Batch/Lot number: unknown) at the age of 92 years as dose 3 (booster), single, (Batch/Lot number: unknown) as dose 2, single and (Batch/Lot number: unknown) as dose 1, single for covid-19 immunisation. Relevant medical history included: "Hypertension" (unspecified if ongoing Reporter mentioned his mother went to her cardiologist, but he doesn't remember when she was diagnosed with hypertension, it's been a couple of months (as of 18Jan2022). No investigation Assessment was performed. Concomitant medication(s) included: ENTRESTO taken for hypertension. He confirmed this was not a new medication his mother began, it's something she had been on prior. No Prior Vaccinations within four weeks prior to the first administration date of the suspect vaccine. No AE following prior vaccinations. No additional vaccines administered on Same Date of the Pfizer COVID vaccine. The following information was reported: DRUG INEFFECTIVE (medically significant), SUSPECTED COVID-19 (medically significant) all with onset 06Jan2022, outcome "unknown" and all described as "Infected with COVID". The event "infected with covid" and "infected with covid" was evaluated at the physician office visit and emergency room visit. Clinical course: His mother received the Pfizer Vaccine for COVID about a couple months ago, and everything was okay. She got her Pfizer booster dose, and it was another vaccine she tolerated. It went very well. His mother has a caregiver that comes and recently on 06Jan2022, her caregiver came and the caregiver did not test herself and infected his mother. He clarifies the caregiver did not know, but she found out she had COVID and infected his mother. prior to this, she had the regular vaccines and then one booster. The problem is the booster shot was supposed to protect her from this and mother got infected. He stated it was not severe, his mother was not with temperature.  The problem was all the time in her throat, she had very bad congestion. She did not cough without having phlegm build up. Her vaccine booster didn't help. They have asked the doctor if is necessary to tell if she should get another booster. He mentions his mother hesitated to get more. However, she cannot continue like this, it is very difficult. His mother cannot stay continuing to do nothing. If this is not taken care of, his mother will end up in the ICU. His mother cannot breathe. She has a problem and will say "ahhhhhh" because she cannot breathe. His mother went to the hospital but was told the monoclonal therapy would not help. It was too late for monoclonal therapy. Reporter confirmed he believed his mother got infected with COVID on 06Jan2021. The doctor prescribed his mother prednisone for the breathing issue and to help with her breathing. He mentioned it's helped a little but not actually. He mentions his mother had a mild strain, it's not severe. She was without temperature/fever. No relevant tests performed.  The lot number for bnt162b2 was not provided and will be requested during follow up.