Tiredness; Muscle pain; Joint pain; Feeling unwell; He didn't get a good night's sleep; This is a spontaneous report received from a contactable consumer (patient). A 78-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number: ER8737, Expiration date was not reported), via an unspecified route of administration in arm right on 01Apr2021 (at the age of 78-year-old) as a dose 1, single for COVID-19 immunization. The patient's medical history included left knee replacement on 22Feb2021 and blood pressure. The patient's concomitant medications included ongoing, rivaroxaban (XARELTO), 1x/day (he thinks it's 30), from an unspecified date in 2013, taken for blood thinner, ongoing, lisinopril, from an unspecified date, (He didn't know when he started it. He has been taking it for quite a while), taken for blood pressure, carvedilol and paracetamol (TYLENOL), taken for an unspecified indication. It was reported that, the caller had his Covid vaccination on 01Apr2021. Stated that, he was having a lot of things now and he knows that it has been a week and one day. Stated that, on an unspecified date in 2021, the patient has had experienced tiredness, muscle pain, joint pain and he has been feeling unwell. He was wondered whether these are still supposed to happen. Stated that, he knows, these are things that he can have after the vaccine, but it's been a week and one day. Stated that, he had a little of it, but it really hit him today. Stated that, it especially hit him today when he got up. It started yesterday, it really hit him today. The events tiredness, muscle pain and feeling unwell were reported as worsened. Stated that, he didn't know what to tell them as far as if can contact his physician. Stated that, he didn't know when the tiredness started for sure. It's been especially noticeable since yesterday. On an unspecified date in 2021, he didn't get a good night's sleep. Stated that, he has had a lot of muscle pain and joint pain. He didn't know when the muscle pain started, but it's quite a bit worse today. Stated that, he was recovering from a knee replacement, so he had a little joint pain from that for some time. He had surgery to replace his knee on 22Feb2021. Stated that, he's had a little bit of that all along in the knees that was. It was his left knee. It was not too bad, but it was still going on. Stated that, it was better since the surgery, now it was more like a dull ache. Tylenol does help. Stated that, he didn't know when he started feeling unwell. It was the last day or two. Stated that, it was just time to become vaccinated. Hopefully when he has the second one he will reach the full benefit of the vaccine. Hopefully it was to prevent him from getting Covid 19. Stated that, he didn't know what that would be for something relevant. He was on a blood thinner, that's one thing he was supposed to tell the person and they had his medical record he supposed. Stated that, he takes blood pressure medicine. His blood pressure was very well controlled. He didn't know what else would be relevant. He takes Lisinopril and Carvedilol. Stated that, he didn't know when he started the Lisinopril, he has been on it for quite a while. Stated that, he has not had investigations, anything recently. He had all of that done before his knee replacement. He had a heart stress test to make sure everything was okay. Stated that, if there was not a lot more, he had better stop now. He was getting tired. Stated that, he was wondered whether these things would show up like this a week and one day later or if he was feeling something else. He asked that, whether medical information would be able to answer his question. Stated that, he would have to contact them later with the direct number because he can't talk any longer. The reporter seriousness for the events was reported as unspecified. On an unspecified date, the patient underwent lab tests and procedures which included heart stress test, resulted as unknown results, everything was okay. The outcome of the events for he didn't get a good night's sleep was unknown while for the other events was not recovered.  No follow-up attempts are needed. No further information is expected.