swelling moved to her chest area and it is swollen and is over her left breast.; feeling a little draggy; little achy; soreness and swelling under her left arm/ lymph node get sore and swell/ lymph nodes got a little swollen and sore under her left arm; soreness and swelling under her left arm/ lymph node get sore and swell/ lymph nodes got a little swollen and sore under her left arm; the lymph node and sore arm is still there; booster; it is a little hard where the shot was.; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. 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 47 year-old female patient received bnt162b2 (COMIRNATY), administered in arm left, administration date 27Nov2021 15:15 (Lot number: FH8020) at the age of 47 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Birth control" (unspecified if ongoing), notes: takes vitamins everyday, birth control prior to Pfizer COVID Vaccine and has taken those for years. The patient took concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, Single, Lot Number: ER8737, Anatomical location: Left arm), administration date: 02Apr2021, when the patient was 46 years old, for COVID-19 Immunization; Bnt162b2 (Dose 2, Single, Lot Number: ER8737, Anatomical location: Left arm), administration date: 23Apr2021, when the patient was 46 years old, for COVID-19 Immunization, reaction(s): "soreness and swelling under her left arm", "soreness and swelling under her left arm", "sore under her left arm"; Flu shot, administration date: 03Oct2021, when the patient was 47 years old, for Immunization, reaction(s): "lymph node under her left arm also hurt after the flu shot". The following information was reported: IMMUNISATION (non-serious) with onset 27Nov2021 15:15, outcome "unknown", described as "booster"; LYMPH NODE PAIN (non-serious), LYMPHADENOPATHY (non-serious) all with onset 28Nov2021 11:00, outcome "not recovered" and all described as "soreness and swelling under her left arm/ lymph node get sore and swell/ lymph nodes got a little swollen and sore under her left arm"; BREAST SWELLING (non-serious) with onset 29Nov2021, outcome "not recovered", described as "swelling moved to her chest area and it is swollen and is over her left breast."; FEELING ABNORMAL (non-serious) with onset 28Nov2021 11:00, outcome "recovering", described as "feeling a little draggy"; PAIN (non-serious) with onset 28Nov2021 11:00, outcome "recovering", described as "little achy"; VACCINATION SITE MASS (non-serious) with onset Nov2021, outcome "not recovered", described as "it is a little hard where the shot was."; PAIN IN EXTREMITY (non-serious) with onset 28Nov2021 11:00, outcome "not recovered", described as "the lymph node and sore arm is still there".   Additional information: Stated she had a flu shot on 03Oct2021 and does not know the name of the flu shot, dosage or lot number to provide and states it was the regular flu shot administered to her left arm and the lymph node under her left arm also hurt after the flu shot and she had been getting the flu shot for years and this was the first time it started hurting after that flu shot. States the lymph node hurting began the next day after the flu shot and resolved and usually takes about 4-5 days for it to stop hurting. Follow-up attempts are completed. No further information is expected.