tire quickly; was so weak; unbearable pain/ pain as so intense; I was very ill; my temp was exactly 101 degrees, the temp for Covid/I was burning up/my body already felt like it was on fire; This is a spontaneous report from a contactable consumer or other non-HCP (patient). A 75-year-old female patient received second dose of bnt162b2 (BNT162B2; Solution for injection; Lot number: UNKNOWN), via an unspecified route of administration on as dose 2, single 06Feb2021 13:45 (at the age of 75-year-old) for covid-19 immunisation. The patient's medical history included surgeries and known pain. The patient's concomitant medications were not reported. Historical vaccine included first dose of bnt162b2 (BNT162B2; Solution for injection; Lot number: UNKNOWN), via an unspecified route of administration on as dose 1, single 15Jan2021 for covid-19 immunisation. Neither of them had any reaction with the first shot administered. On 06Feb2021 (last Thursday), patient and her husband had second vaccine shots, scheduled for 1:45pm in the afternoon at hospital. Everything went very smoothly at the hospital, and activities were uneventful when we arrived home later in the afternoon. Neither of them had any complications until 3:00 AM 07Feb2021. At that time, patient was awakened from a deep sleep and realised she was very ill and burning up even before she opened her eyes. Somehow, she managed to get to medicine cabinet for a thermometer, and quickly confirmed her temperature was exactly 101 degrees, the temperature for Covid. Patient may have taken a couple of aspirins but to no avail, before crawling back into bed. At this point, patient was in almost unbearable pain, and had to get back to bed. Patient was concerned about had been exposed to the disease before the vaccine shots could protect me, and as a result she had the disease and felt like was literally on fire. Curiously it did not occur to patient to awaken her husband, but they did everything together, but this seemed like something she had to endure alone. Patient knew the pain as so intense and couldn't focus on anything or anyone else, thought how she might stop the pain, and it occurred to her that if she died the pain would end. She wasn't scared at that thought. It certainly wasn't comforting, but it seemed like the most logical solution and would be so easy. After all, patient body already felt like it was on fire. Fortunately, another thought occurred to her simultaneously. Perhaps patient's pain was the reaction to the second vaccine dose, she had received several hours earlier and might be temporary. The chance that thought might be true was enough to give her hope and at 6:30AM patient awoke her husband to tell him she was really ill. At that time, patient's temperature had lowered slightly, and was so weak that she could hardly stand up but at least she was going and continue to be in the right direction. It's now almost four days (09Feb2021) since she received her second dose. Patient still tire quickly but definitely improving. She was generally a healthy woman who has known pain, childbirth, surgeries, and misc. hurts but never have she experienced anything that was so painful and suggested her death as a logical solution to ending pain. She read a characteristic of this disease was that many patients were in great pain and die quickly from Covid. So, patient can't help wondering if perhaps their experiences were somewhat close to mine, except regrettably with more permanent solutions. At the time of this report, outcome of the events pyrexia and fatigue were recovering, and pain, illness and asthenia was unknown.   Information on the lot batch number has been requested.  Follow-up attempts are completed. No further information is expected.