I can't move my arm; my right arm is just killing me and stay on either side the left side and the right side and into my elbow like it is I don't know I never experiencing anything like that; GI issue; My back tissue hurts all over my whole body; my whole body hurt; My arm is swelling of the size of fifty fifty about inflated you know about 2, 3 cm down and I circled it and then it turns red and the redness came outside the circle; I have like low grade fever and ache and pain all over; it turns red and the redness came outside the circle; My muscle was sore; I received my COVID booster, it was administered in my sub cue tissue not in my muscle, pharmacist administered sub cue instead of IM; Administration error; This is a spontaneous report received from a contactable reporter(s) (Other HCP). The reporter is the patient.  A 62 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 26Sep2021 (Lot number: FF2588) at the age of 62 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Hypertension" (unspecified if ongoing); "COPD" (unspecified if ongoing); "Hyperlipidaemia" (ongoing); "iliac artery" (ongoing), notes: have a recent by pass from my iliac artery to my other iliac artery; "Obesity" (ongoing), notes: I am obese, well I don't know from Obesity or I am just fat; "blood pressure" (ongoing); "depression" (ongoing). Concomitant medication(s) included: ZOLOFT taken for major depression; PLAVIX taken for iliac artery occlusion; LOSARTAN taken for blood pressure measurement; ROSUVASTATIN taken for hyperlipidaemia. Vaccination history included: Bnt162b2 (1st dose:, Anatomical site of vaccine: Right Arm), administration date: 19Dec2020, when the patient was 62 years old, for COVID-19 immunisation; Bnt162b2 (2nd dose:, Anatomical site of vaccine: Right Arm), administration date: 08Jan2021, when the patient was 62 years old, for COVID-19 immunisation. The following information was reported: MOBILITY DECREASED (non-serious) with onset 26Sep2021, outcome "not recovered", described as "I can't move my arm; my right arm is just killing me and stay on either side the left side and the right side and into my elbow like it is I don't know I never experiencing anything like that"; GASTROINTESTINAL DISORDER (non-serious) with onset 26Sep2021, outcome "not recovered", described as "GI issue"; PAIN (non-serious) with onset 26Sep2021, outcome "not recovered", described as "My back tissue hurts all over my whole body; my whole body hurt"; VACCINATION SITE SWELLING (non-serious) with onset 26Sep2021, outcome "not recovered", described as "My arm is swelling of the size of fifty fifty about inflated you know about 2, 3 cm down and I circled it and then it turns red and the redness came outside the circle"; PYREXIA (non-serious) with onset 26Sep2021, outcome "not recovered", described as "I have like low grade fever and ache and pain all over"; ERYTHEMA (non-serious) with onset 26Sep2021, outcome "not recovered", described as "it turns red and the redness came outside the circle"; MYALGIA (non-serious) with onset 26Sep2021, outcome "not recovered", described as "My muscle was sore"; INCORRECT ROUTE OF PRODUCT ADMINISTRATION (non-serious) with onset 26Sep2021, outcome "unknown", described as "I received my COVID booster, it was administered in my sub cue tissue not in my muscle, pharmacist administered sub cue instead of IM; Administration error". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pain.  Additional information: Patient received COVID booster last Sunday and it was administered in sub cue tissue not in muscle., Patient had vaccine last week on Sunday,  the pharmacist administered Sub cue instead of IM, is booster shot Patient had the first two without any issue and December of last year and 07Jan of this year. Patient muscle was sore, Patient had a day side effects, this one is about to kill me, Patient hurt all over my body, Patient had to be a nurse of 25 years and her back tissue hurts all over my whole body, my arm is swelling of the size of fifty fifty about inflated about 2, 3 cm down and  circled it and then it turns red and the redness came outside the circle and I will never ever get another vaccine from a pharmacist because my injection site is exactly where the end is and agency shares not to give vaccine in the circle they give it in the triangle and the pharmacist not even touch acromion process. she gave me my vaccine is about 5 inches down my upper arm to the posterior. It is not in a muscle.   No follow-up attempts are possible. No further information is expected.