muscle aches; joint pain; slight fever; felt like her body was heavy; stomach pain; she was out of breath; felt dizzy; her hands are still swollen in the mornings some mornings; She also felt dizzy, which was worse during a hot shower or when outside when it was warm; I couldn't even walk for 5 minutes; This is a spontaneous report from a contactable consumer (patient). A 31-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, mRNA, formulation: Solution for injection, Batch/Lot Number: EW0173), via an unspecified route of administration, administered in Arm Left on 08May2021 (at the age of 31-year-old) as DOSE 1, SINGLE for covid-19 immunisation. Medical history included anaemia. Concomitant medication(s) included ascorbic acid, beta vulgaris root, iron amino acid chelate, rosa canina fruit, rubus idaeus leaf (IRON SUPPLEMENT WITH VIT C & HERBS, One pill every day for a month) taken for anaemia, start and stop date were not reported. On an unspecified date in May2021 (Within 24-48 hours after vaccination), the patient experienced muscle aches, joint pain in her knees and jaw, slight fever, felt like her body was heavy, 2 to 3 weeks later after vaccination experienced stomach pain, she was out of breath even after walking 10-15 steps, such as when she was throwing away trash on the same floor, felt dizzy, her hands are still swollen in the mornings some mornings increasing in frequency over time, she also felt dizzy, which was worse during a hot shower or when outside when it was warm, i couldn't even walk for 5 minutes kept getting worse where I couldn't even walk like several steps. It was reported that onset date for adverse event reported as 10May2021 but don't know the exact date, it was 24Jun2021, no that's not true, sorry, it's 27May2021 I think, It start having second symptoms. First symptom was right after when I took the shot like within 24 to 48 hours. I took the shot on 08May2021. May 8th when I took the shot and I had symptoms within 24 hours after or 24 to 48 hours after I took the shot and then it went by couple days later it came back either 27May2021 or 28May2021. The patient underwent lab tests and procedures which included body temperature resulted as a slight fever on an unspecified date in 2021. Reported that patient was scheduled for a blood test to be taken soon (did not provide details about that). Therapeutic measures were taken as a result of stomach pain with Omeprazole which act like an acid reducer for stomach, reported that patient think taken in June. Reported that schedule date for second dose was going to get this month on 15Sep2021 (further not clarified). The outcomes of events (She also felt dizzy, which was worse during a hot shower or when outside when it was warm, I couldn't even walk for 5 minutes) were unknown; the outcomes of events (muscle aches, slight fever, felt like her body was heavy) were recovering; the outcomes of events (stomach pain, she was out of breath, felt dizzy) were recovered on an unspecified date in 2021 and the outcomes of events (joint pain, her hands are still swollen in the mornings some mornings) were not recovered.  This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts have been completed and no further information is expected.