the pain mostly on her left side of the body; swollen lymph nodes in her groin, pelvic area and armpit; Sometimes she finds it difficult to stay sitting down; She feels very swollen in that area; pain in the arm; Booster; she felt some pain in her pelvis; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 44 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 30Nov2021 21:00 (Batch/Lot number: unknown) at the age of 44 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "anxiety" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose:2), administration date: 25May2021, when the patient was 43 years old, for COVID-19 immunization; Bnt162b2 (Dose:1), administration date: May2021, when the patient was 43 years old, for COVID-19 immunization, reaction(s): "Not even pain in the arm was bad at all". The following information was reported: IMMUNISATION (non-serious) with onset 30Nov2021, outcome "unknown", described as "Booster"; PAIN (non-serious) with onset 02Dec2021, outcome "unknown", described as "the pain mostly on her left side of the body"; LYMPHADENOPATHY (non-serious) with onset 02Dec2021, outcome "unknown", described as "swollen lymph nodes in her groin, pelvic area and armpit"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset 02Dec2021, outcome "unknown", described as "Sometimes she finds it difficult to stay sitting down"; PELVIC PAIN (non-serious) with onset 30Nov2021, outcome "unknown", described as "she felt some pain in her pelvis"; SWELLING (non-serious) with onset 02Dec2021, outcome "unknown", described as "She feels very swollen in that area"; PAIN IN EXTREMITY (non-serious) with onset 01Dec2021, outcome "unknown", described as "pain in the arm".  Additional information: It was reported that patient had her booster shot two days ago. Yesterday it wasn't that bad. It is getting worse. Today she feels the lymph is swollen especially in the groin pelvic area and arm pit. It is very swollen. Pain in the arm. Sometimes she finds it difficult to stay sitting down. The day they put the vaccine in she felt some pain in her pelvis. She didn't think it was because of the vaccine. Now she is thinking it is. She feels very swollen in that area. Yesterday she had pain in the arm and that is normal. She is not sure if she was supposed to have rested and that is what is making her be swollen. Yesterday she washed her car. The day she got the shot she felt the pain in the pelvis area. She had the shot on her left arm and when she laid down on left side with her daughter she felt the pain in her pelvis area. It was weird. She got the shot two days ago, so yesterday was the first day of the shot. She got the vaccine at 9PM. Right away she felt that pain in her pelvis. She didn't know it was related to the vaccine until now that she is feeling it a little more. It is hard to sit down for while. She had to go to the backseat when waiting for her daughter because she couldn't sit down anymore. It is the lymph node in pelvis. The pharmacist told her that she had the booster shot on time. Her second shot was Pfizer and was given on 25May2021. It was a little over six months. The first dose was at the beginning of May. Caller knows she didn't wait a full month. She didn't even feel tired. She was perfect. No headache. Not even pain in the arm was bad at all. She takes half a pill a day for anxiety. She can't remember the name. She has been on it for a while. She was on it when she got the first COVID vaccine. The events did not require a visit to Emergency Room and Physician office. Prior Vaccinations (within 4 weeks), adverse events following prior vaccinations and relevant tests were reported as none.  The lot number for bnt162b2 was not provided and will be requested during follow up.