has a burst of temperatures, like 104 and 103; Awake all night; Felt awful; she fell out of bed; This is a spontaneous report received from a contactable reporter (other healthcare professional). The reporter is the patient.  A 80 year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), administered in deltoid left, administration date 10Mar2021 13:00 (Lot number: EN6208, Expiration Date: 30Jun2021) at the age of 80 years as dose 1, single for covid-19 immunization. Relevant medical history included: "Lung neoplasm malignant" (ongoing), notes: at the beginning of last year is when she got hit; "back broken", start date: 25Feb2021 (unspecified if ongoing), notes: T7 and T8; "Multiple falls" (unspecified if ongoing); "wrecked her car" (unspecified if ongoing); "lost her balance" (unspecified if ongoing); "Had Black Eyes" (unspecified if ongoing); "Pain in the eye" (unspecified if ongoing); "Pain in her back" (unspecified if ongoing), notes: On the first Saturday of the month. It was so bad she couldn't stand and she used heat, ice, pain medications and had to elevate.; "has old age" (unspecified if ongoing), notes: she can't dance as good as she used to. Concomitant medication included: TAGRISSO taken for neoplasm malignant (ongoing). Vaccination history included: Flu shot. The following information was reported: FALL (non-serious) with onset 11Mar2021, outcome "unknown", described as "she fell out of bed"; PYREXIA (non-serious), outcome "recovering", described as "has a burst of temperatures, like 104 and 103"; POOR QUALITY SLEEP (non-serious) with onset 18Mar2021, outcome "unknown", described as "Awake all night"; FEELING ABNORMAL (non-serious) with onset 18Mar2021, outcome "recovered" (24Mar2021), described as "Felt awful". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: Caller said she is 80 and has been a nurse, for 40 years. Caller stated that since her cancer diagnosis last month, it is just one thing after another. She reported she had dramatic falls, lost her balance, wrecked her car, and had multiple falls that she ended up with a T7 fracture of the lower back. Caller confirmed that these happened all before her first vaccine. Caller thinks it has to do with some medication, she has been taking some for a long time, but her new treatment is Tagrisso. Her cancer medication and when she started it, it was all downhill. Caller stated that it didn't help the medications she was on, she started falling, had black eyes and wrecked the car. Caller stated when she got to (place name), it was 11Mar2021, she fell out of bed. Caller stated the medication was sent to her home, it was a specialty medication, and it was a newer cancer treatment. Caller stated she felt particularly awful, the first Saturday of the month and had pain in her back so bad she couldn't stand. She went to Facility down the hill, she had pain and was queasy, and had spasmic pain and laid down, and she used heat, ice, pain medications and had to elevate. Caller described like pain in the eye. She has old age, and she can't dance as good as she used to. Caller reported that her back is broken. She reconfirmed that these occurred before the Covid vaccine. Caller stated that she got the immunization on the 10th and had no problems. Then afterwards, she started getting temps, reclarified as temperatures, so she was concerned because she was being treated for cancer and can't be exposed. Caller reported that today, she doesn't have a temperature. She said that sometimes she has a burst of temperatures, like 104 and 103, then down to normal and she doesn't know what to make of it. Caller stated she has come this far and is not running a temperature today. Caller stated it started after Saturday, when she went to Facility and she said it was very minor, with a temperature of 99.5, which was no big deal. It went from there for three days, then getting into 100, 101, 102, 103 and bounced to 104. Caller stated that this morning, she was pleased to say it was in the normal range, which was wonderful. Caller stated it looks good this morning, even one there was 99.5, but usually she runs 98.6. They took that when she went for emergency treatment for severe back pain after a fall. Caller reconfirmed that this was before she got the first vaccine. She stated she was awake all night, from 18Mar2021 to 19Mar2021, and felt awful. Caller stated it started on 18Mar2021, and on 22Mar2021, she cancelled her lab draw because she wasn't sure if she had Covid virus and didn't want to endanger anybody. Caller stated it subsided and it ended on 24Mar2021. She has two nights under her belt, and she felt better. She was not running a blazing temperature. She felt like she was getting better, and it was a done deal. Caller stated that she was due for another vaccination. Caller was querying if she will be able to take the second injection. Caller stated that she had cancer blood work done and had not received any other vaccine within 4 weeks.  No follow-up attempts are possible. No further information is expected.