could not walk; both knees are swollen; knee pain/ around my knees are very painful/joint pain; muscles are really in agony; sciatica; This is a spontaneous report from a contactable consumer or other non hcp (Patient). A 62-year-old female patient received bnt162b2 (BNT162B2, Batch/Lot number was not reported) via an unspecified route of administration on an unspecified date as DOSE 1, SINGLE for covid-19 immunisation. The patient medical history and concomitant medications were not reported. On an unspecified date, The patient experienced could not walk, both knees are swollen, knee pain/ around my knees are very painful/joint pain, muscles are really in agony and sciatica. Caller stated the patient had her first dose of the Pfizer covid 19 vaccine on Saturday. Caller stated that yesterday she woke up and could not walk. Caller stated both knees are swollen. Caller stated the left knee is worse and you can see where it is swollen. Caller reported that her knees feel like they do not belong to her. Caller state she was crying trying to make it to the bathroom. Caller stated she rested yesterday because the message when she called yesterday said to call back today. Caller stated she has physical therapy appointment today at 11 for sciatica. Caller stated her mind told her to wait to get the vaccine until she finished the sciatica. Caller stated she read the side effects and read new or worsened muscle pain. Caller wanted to know what she should do for her knee pain. Agent warm transferred caller to agent (Withheld) reportum number (Withheld) Caller disconnected during transfer. Caller stated it was not right that she has to go to her own HCP and take up HCP time for her side effect. Caller stated it is not right that Pfizer leaves her on her own. Agent showed empathy to caller when caller first gave side effects. Agent wished the caller a quick recovery. Consumer stated, I had a question, my muscles are really really in agony. Just see both of my knees, but my left one is really got me ah! It's like I am trying icing it, putting the ointments (not clarified) on it around my knees are very painful and I don't know I know that you might deal muscle and joint pain. So, what should I do other than should I just take some pain medicines? Yeah, around my knees really, really hurting me there. Vaccine: Pfizer, Covid-19 Vaccine. Consumer was informed about the Pfizer Medical Information Department. Consumer stated, So, you are not the one that we calling to # that is on this paper. Consumer was informed about the role of Pfizer Drug Safety. Consumer stated, Oh, they are not even open today. Consumer hung up the call abruptly. Further probing could not be done. Hence, limited information available over the call. Transferring agent stated, I have a caller on the line. She is a consumer. She had the first dose of the Pfizer Biontech COVID-19 Vaccine on Saturday. Yesterday, she woke up and her knees are swollen. Both knees are swollen. Stating her left knee is worse. She was saying she could not walk. She is saying, it feels like her knees they like they did not belong to her. She stated, she was crying to make it to the bathroom. She did say she is going to assist physical therapist today but its for unrelated condition (Further clarification unknown hence not captured). She is going for sciatica (Further not clarified hence not captured in tab) and she didn't mention anything else as far as anything she is doing or did for the knee pain. I think that is it then I gave you her phone# and she did say she rested yesterday. Anything else you need. Transferring agent further stated, I will get her on the line. She hung up. Can you call her back. Call back was done however it was unsuccessful. Hence, further probing could not be done. Hence, limited information available over the call. Therapeutic measures were taken as a result of knee pain/ around my knees are very painful/joint pain, muscles are really in agony. The outcome of the events (could not walk, both knees are swollen, knee pain/ around my knees are very painful/joint pain, muscles are really in agony and sciatica) was unknown  The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up.