joint pain; muscle pain; fatigue; maybe he has Covid, a mild case of Covid 19; Pain; Take 5 naps a day because you can't focus or work; This is a spontaneous report from a contactable consumer (patient). A 72-years-old male patient received second dose of BNT162B2 (PFIZER-BIONTECH mRNA COVID-19 VACCINE, Solution for injection, Lot number: EN0205) via unspecified route of administration on 05Mar2021 as single dose for COVID-19 immunisation. Medical history included type 2 diabetic. Historical vaccine included BNT162B2 for COVID-19 immunization. Concomitant medications were not reported. It was reported that patient received the second dose a little over 30 days ago. Approximately a week after the first dose he had a rough day and experienced joint and muscle pain, fatigue, and it went away within a day or so. He was more concerned that 3 weeks after the second dose these symptoms came back and lingered for 4-5 days, and he could barely get out of bed. Today he feels like a new person, but he is very concerned. He was concerned if it wasn't the vaccine what caused these effects? He has an appointment with his HCP later today. Everything he was read says there are no long term side effects but he thinks he's having some long term side effects. He would like to let Pfizer know what is happening to him. He has had both Covid 19 vaccines. The second dose of Covid 19 vaccine he received about 30 days ago and he had no side effects immediately after. About 3 weeks after receiving the second Covid 19 vaccine he got hit pretty hard with joint and muscle pain and fatigue. He was out for a day and a half. Then his symptoms went away. Then a few days later the joint and muscle pain and fatigue came back. The joint and muscle pain and fatigue lasted about 5 days and it was pretty intense. Then about 5 days later it subsided. He states maybe he has the Covid 19 virus. He's getting a Covid 19 virus test later on today, 12Apr2021. Is this commonly reported. Any information on these side effects and how they occurred weeks after the Covid 19 vaccine. Long term side effects? He did call the CDC and that was a waste of time. He states they have junior people answering the phone who don't understand the questions. HCP: Caller declines When probing for specific event details, the caller reports he experienced the first bout of joint and muscle pain and fatigue around 03Apr2021- 04Apr2021. Then it went away. Then around 07Apr2021 the joint and muscle pain and fatigue came back and has lasted through this morning, 12Apr2021. Today he feels better. But the joint and muscle pain and fatigue goes away then comes back and he doesn't know what's going to happen next week with the joint and muscle pain and fatigue. Second Covid 19 vaccine received on 05Mar2021, Lot EN0205. First Covid 19 vaccine information is in Suspect Product formal fields. When probing concomitant medications, the caller reports he's been taking the same medications for a long time, he does not feel his medications are relevant. His diabetes is well controlled. When probing for information if caller had gone to his doctor, he reports not yet. He has a Covid 19 test today, maybe he has Covid, a mild case of Covid 19. He has a telemedicine visit scheduled with his primary care doctor for this afternoon.   No follow-up attempts are needed. No further information is expected.