swelling in thumb and elbow joint; swelling in thumb and elbow joint; soreness under arm; This is a spontaneous report from a contactable consumer or other non hcp (patient reported for herself). An 82-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot Number: EL9264), first dose via an unspecified route of administration, administered in left arm on 20Feb2021 at 09:00 (at the age of 82-year-old) as dose 1, single for COVID-19 immunisation at hospital. Medical history included anxiety from an unknown date and unknown if ongoing verbatim: Anxiety, blood cholesterol from an unknown date and unknown if ongoing verbatim: Cholesterol, hypertension from an unknown date and unknown if ongoing verbatim: Blood pressure high, blood pressure measurement from an unknown date and unknown if ongoing verbatim: Blood pressure, nerve injury from an unknown date and unknown if ongoing verbatim: nerves, thrombosis from an unknown date and unknown if ongoing verbatim: blood clot, arthropathy from an unknown date and unknown if ongoing  verbatim: knees and hips. No investigation assessment was reported. Concomitant medications included doxepin (DOXEPIN) taken for anxiety from an unspecified start date and ongoing; atorvastatin calcium (ATORVASTATIN CALCIUM) taken for blood cholesterol, start and stop date were not reported; atenolol (ATENOLOL) taken for hypertension from Mar2020 and ongoing; losartan (LOSARTAN) taken for blood pressure measurement from Feb2021 and ongoing; alprazolam (ALPRAZOLAM) taken for nerve injury from an unspecified start date and ongoing; rivaroxaban (XARELTO) taken for thrombosis from 05Dec2020 and ongoing; diclofenac sodium (DICLOFENAC SODIUM) taken for arthropathy from 2020 and ongoing. Vaccine was not administered at military facility. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. The patient did not receive any other vaccines on same day of the COVID vaccine. Two to three days later after vaccination on an unspecified date in Feb2021, the patient experienced soreness under arm. On an unspecified date the patient experienced swelling in thumb and elbow joint. Caller received the 1st dose of the vaccine on 20Feb2021 and experienced soreness under her armpit and swelling and pain in her thumb and elbow joints. The joint pain and swelling have already resolved but the soreness under her armpit was still persisting. She would like to know if this was normal, if it will resolve, and what should she expect in the 2nd dose. She mentioned that she was willing to take the 2nd dose amidst the side effects. Caller was 83-year-old. She received the Covid-19 vaccine on 20Feb2021. Two or three days later she had a pain behind where she received the shot in her left arm. When she took her right hand and goes underneath her arm pit and moves her hand towards the pocket of her arm pain it was sore. She noticed the pain on 22Feb2021 or 23Feb2021. The severity depends on what she was doing with her arm. She added that she has swelling in her thumb and elbow joint. She did not notice it right away. When providing concomitant medications, caller adds that she was taking Atenolol 25mg, two twice daily. The dose was decreased to 25mg, 1/2 daily because of dizziness. Adverse event did not require a visit to emergency room or physician office. No relevant tests were performed. No product quality compliant was reported. The outcome of the event soreness under arm was reported as not resolved and outcome of the events swelling in thumb and elbow joint resolving.  No follow-up attempts are possible. No further information is expected.