sore arm/arm soreness; moderately sore at test site; 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 86 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 05Feb2021 15:00 (Lot number: EN5318) at the age of 85 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "she has a history of Guillain-Barre Syndrome" (unspecified if ongoing), notes: she has a history of Guillain-Barre Syndrome (GBS); "Many cancers" (unspecified if ongoing); "Marrow degeneration disease", start date: 2012 (ongoing), notes: Verbatim: Marrow degeneration disease; "Chronic UTI", start date: 1970 (unspecified if ongoing), notes: Stop date: Now under control; "Osteoporosis" (unspecified if ongoing); "Lungs" (unspecified if ongoing), notes: Verbatim: Lungs; "Heart rate" (unspecified if ongoing), notes: Verbatim: Heart rate; "Bladder" (unspecified if ongoing), notes: Verbatim: Bladder; "Heart" (unspecified if ongoing), notes: Verbatim: Heart; "Skin" (unspecified if ongoing), notes: Verbatim: Skin; "Thyroid" (unspecified if ongoing), notes: Verbatim: Thyroid; "Lips" (unspecified if ongoing), notes: Verbatim: Lips; "Eyes" (unspecified if ongoing), notes: Verbatim: Eyes; "Bones" (unspecified if ongoing), notes: Verbatim: bones; "Itch" (unspecified if ongoing); "Pain, inflammation" (unspecified if ongoing), notes: Verbatim: Pain, inflammation; "Pain, inflammation" (unspecified if ongoing), notes: Verbatim: Pain, inflammation; "Dry nose" (unspecified if ongoing), notes: verbatim: Dry nose; "Diarrhea" (unspecified if ongoing); "Teeth" (unspecified if ongoing), notes: verbatim: Teeth. Concomitant medication(s) included: FOSMOMAX taken for osteoporosis; BROVANA taken for lung disorder; PULMICORT taken for lung disorder; AZITHROMYCIN taken for lung disorder; CARDIZEM CD taken for heart rate; ESTRACE taken for bladder disorder; FLONASE [FLUTICASONE PROPIONATE]; HYDRODIURIL taken for cardiac disorder; LIDOCAINE taken for skin disorder; COZAAR taken for cardiac disorder; HIPREX [METHENAMINE HIPPURATE] taken for bladder disorder; SINGULAIR taken for lung disorder; NYSTATIN taken for lip disorder; PREDNISONE taken for lung disorder; PREVIDENT taken for tooth disorder; RESTASIS taken for eye disorder; SODIUM CHLORIDE taken for lung disorder; SPIRIVA taken for lung disorder; KENALOG [TRIAMCINOLONE ACETONIDE] taken for skin disorder; CALCIUM taken for bone disorder; ZYRTEC [CETIRIZINE HYDROCHLORIDE] taken for antiallergic therapy; BENADRYL taken for pruritus; BENADRYL taken for pruritus; ADVIL [IBUPROFEN] taken for pain, inflammation; MOTRIN [IBUPROFEN] taken for inflammation, pain; LOPERAMIDE HYDROCHLORIDE taken for diarrhoea; LUTEIN-ZEAXANTHIN taken for eye disorder; VIT C taken for bladder disorder; RETAINE CMC taken for eye disorder; K-Y JELLY taken for nasal dryness; NATURE THROID taken for thyroid disorder. Vaccination history included: Bnt162b2 (DOSE 1, Anatomical location: left upper arm, Lot :EL3249, Time:  3pm), administration date: 15Jan2021, when the patient was 85 years old, for COVID-19 immunization, reaction(s): "moderately sore at test site"; Flu shot (flu shot several years ago), for immunization, reaction(s): "Guillain-Barré syndrome".  The following information was reported: PAIN IN EXTREMITY (non-serious) with onset 05Feb2021, outcome "recovered" (05Feb2021), described as "sore arm/arm soreness"; VACCINATION SITE PAIN (non-serious) with onset 05Feb2021, outcome "unknown", described as "moderately sore at test site". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of pain in extremity.  Additional information: 2nd shot moderately sore at test site plus upper arm sore after 8 hrs. The sore arm was after the second shot, she noticed it that night and that was about it, it did not last very long, about 6 hours and it was gone. She did nothing to treat it, just went back to sleep.The patient clarified she does not have information on those reporting Guillain-Barre syndrome after the Covid vaccine, It is also clarified she did not have Guillain-Barre syndrome after the Covid vaccine. This happened to her after getting the flu shot several years ago. It was reported that on the Covid vaccine booster shot, they are offering the 3rd booster shot in her building and she does not know if she should get it. reporter ask what are the statistics of getting Guillain-Barre syndrome after the third shot. She has heard of this happening with other shots but only heard of a few cases after the Covid vaccine. She has had both vaccines and had basically no symptoms, just a little sore arm. It is explained that she does not want to go through Guillain-Barre syndrome again. The patient states she has a history of Guillain-Barre Syndrome (GBS) and the Health Department told her there is a chance GBS can occur with administration of the Pfizer BioNTech Covid-19 Vaccine. Caller states she had the first two doses of the Pfizer BioNTech Covid-19 Vaccine without any problem except some arm soreness after her second dose. Caller states her doctor recommended that she go ahead and get the series despite her history of GBS. The reporter states she plans on getting a booster dose of the vaccine and wants to know the incidence rates of GBS with the Pfizer BioNTech Covid-19 Vaccine.  No follow-up attempts are possible. No further information is expected.