Arm hurts; flu like symptoms; body aches; nausea; huge swollen armpit on my left arm the afternoon after the vaccine. It is largely swollen and tender; First dose: 09Mar2021, Second dose: 06Apr2021 Product: COVID 19, Brand: Moderna; Third dose: 02Nov2021 Product: COVID 19, Brand: Pfizer; First dose: 09Mar2021, Second dose: 06Apr2021 Product: COVID 19, Brand: Moderna; Third dose: 02Nov2021 Product: COVID 19, Brand: Pfizer; First dose: 09Mar2021, Second dose: 06Apr2021 Product: COVID 19, Brand: Moderna; Third dose: 02Nov2021 Product: COVID 19, Brand: Pfizer; Huge swollen armpit on my left arm; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 34 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 02Nov2021 12:00 (Lot number: FF2590) at the age of 34 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Known allergies: Sulfur" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: Moderna (Product: COVID 19, Brand: Moderna, Dose Number: 2, Batch/Lot No: 030B21A), administration date: 06Apr2021, when the patient was 34 years old, for Covid-19 Immunization; Moderna (Product: COVID 19, Brand: Moderna, Dose Number: 1, Location of injection: Left Arm), administration date: 09Mar2021, when the patient was 34 years old, for Covid-19 Immunization. The following information was reported: INTERCHANGE OF VACCINE PRODUCTS (non-serious), OFF LABEL USE (non-serious), IMMUNISATION (non-serious) all with onset 02Nov2021, outcome "unknown" and all described as "First dose: 09Mar2021, Second dose: 06Apr2021 Product: COVID 19, Brand: Moderna; Third dose: 02Nov2021 Product: COVID 19, Brand: Pfizer"; SWELLING (non-serious) with onset 02Nov2021, outcome "not recovered", described as "Huge swollen armpit on my left arm"; PAIN IN EXTREMITY (non-serious) with onset 03Nov2021, outcome "not recovered", described as "Arm hurts"; INFLUENZA LIKE ILLNESS (non-serious) with onset 03Nov2021, outcome "not recovered", described as "flu like symptoms"; PAIN (non-serious) with onset 03Nov2021, outcome "not recovered", described as "body aches"; NAUSEA (non-serious) with onset 03Nov2021, outcome "not recovered", described as "nausea"; AXILLARY PAIN (non-serious) with onset 03Nov2021, outcome "not recovered", described as "huge swollen armpit on my left arm the afternoon after the vaccine. It is largely swollen and tender". It was unknown if therapeutic measures were taken as a result of swelling, pain in extremity, influenza like illness, pain, nausea, axillary pain.  Additional information: Facility where the most recent COVID-19 vaccine was administered was pharmacy or drug store. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. There was no list of any other medications the patient received within 2 weeks of vaccination. Prior to vaccination, was the patient was not diagnosed with COVID-19. Since the vaccination the patient had not been tested for COVID-19.  Follow-up attempts are completed. No further information is expected.