fever; Headache; Chills; really ill this morning.; This is a spontaneous report from a contactable consumer (patient's wife). A 63-years-old male patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EK9231, Expiration date: not reported), via an unspecified route of administration in left arm on 17Feb2021 17:20 (at age of 63-years-old) as dose 1, single for covid-19 immunisation in hospital. Medical history included heart problems, lung problems, back problems. The patient previously took flu shot in Jan2021, prednisone for cardiac disorder, prednisone for lung disorder, prednisone for back disorder (The patient took 15mg daily. The patient had been taking higher doses, but the patient was put on the 15mg two months ago. The patient took Prednisone for heart, lung, and back problems. The patient lost 110 pounds in the last year. The patient didn't feel as bad right that second as the patient did at the height of that. The patient didn't have NDC, lot, and expiry to provide for Prednisone) and for Oxycodone for pain (Oxycodone: he takes 15mg six times a day. He has been on pain medication off and on since 1985. Caller does not have NDC, lot, and expiry to provide for Oxycodone). The patient previously took prednisone and the patient lost 110 pound in last year (he takes 15mg daily. He had been taking higher doses, but he was put on the 15mg two months ago) and patient previously took Tylenol (Tylenol: he took two extra strength. Caller doesn't have lot number to provide for Tylenol). On an unspecified date in Feb 2021, the reporter husband was really ill on the day of reporting. He wanted to call this number to check the patient side effects and make sure he doesn't need to go to the hospital. When advised that treatment options would best come from her husband's doctor caller states, has spoken to doctor already. Concomitant Medications was not reported (they have been on hold for quite some time). On an unspecified date, the patient experienced fever. The side effect experienced was 102.2 fever. Then it came down to 100. That was after taking Tylenol. The patient had a headache and chills. The patient's fever and chills lasted for 1 day. The patient was drenched and told the fever was going. The patient took Tylenol as recommended by the doctor. The patient was on a lot of medication for heart and lungs. The patient was told not take the steroid prior to the injection. The patient was also told not to take one other medication, but can't remember the name of that one right now. It had been 48 hours since the patient had taken Prednisone which was the steroid. Caller consulted with HCP today and was instructed to take Tylenol and Prednisone. The patient did take it at 10:30AM after speaking to the doctor. He has never gone that long without taking it. The patient had not taken the pain medication, but at 10:30AM at the day of reporting the patient took Tylenol, Prednisone, and Oxycodone. On the day of reporting, the patient took his regular medications. When the patient talked to the doctor, the doctor said they were normal side effects. When asked to provide names of medications, the patient stated that he took about thirty pills day. The patient took medications in the morning and in the evening. History of all previous immunization with the Pfizer vaccine considered as suspect was none. Additional Vaccines Administered on Same Date of the Pfizer Suspect was none. No adverse events following prior vaccination. Caller reported that the patient had a temperature of 102 in morning of the day of reporting and now temperature was 98.5. Caller would like to know if the symptoms had been reported by others and possible timeline of side effects. Caller stated that the pharmacist said that if the patient had side effects then the patient already had covid. If the patient had side effects after the first dose, the second one could be worse. Because of the patient's heart and lungs, didn't leave the house. The patient was tested 3 times and it was negative. The adverse event did not required visit to emergency room or visit to physician's office. The patient underwent lab tests and procedures which included body temperature: 102.2 fever on an unspecified date, body temperature: down to 100 on an unspecified date, body temperature: 102 on an unspecified date, body temperature: 98.5 on an unspecified date, investigation: negative on an unspecified date. Therapeutic measures were taken as a result of fever (pyrexia), headache (headache), chills (chills). The outcome of the events was unknown.   No follow-up attempts are possible. No further information is expected.