It is red; it is hot to the touch; It feels like a bruise and hurts when I press on it; chills; felt exhausted; I had a headache; got a bump on the injection site; Booster; This is a spontaneous report from a contactable consumer or other non-health care professional reported for patient.   A 26-years-old non-pregnant female patient received third dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: 30130BA, Expiry date: not reported), dose 3 via an unspecified route of administration, administered in Arm Left on 15Oct2021 at 13:45 (age at vaccination was 26 years old) as dose 3 (booster), single for COVID-19 immunization. Medical history included ongoing polycystic ovaries PCOS unsure but longer than 10 years, ongoing type 2 diabetes mellitus. Concomitant medication included influenza vaccine FLU (Sanofi undecipherable, Batch/Lot Number: UT7347LA), via intramuscular anatomical site of injection was Left deltoid from 28Sep2021 to 28Sep2021; fluoxetine (Other medications the patient received within 2 weeks of vaccination was fluoxetine and birth control). The patient previously received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot number: EN6204, Expiry date: not reported), unspecified route of administration, administered in Arm Left in Mar2021 (age at vaccination was 25 years old) as dose 1, single for covid-19 immunisation and experienced chills, fatigue and headache. Family medical history relevant Diabetes and Heart issue. The patient previously also received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot number: ER8735, Expiry date: not reported), unspecified route of administration, administered in Arm right in 07Apr2021 (age at vaccination was 25 years old) as dose 3, single for covid-19 immunisation and experienced chills, fatigue, headache. The patient got a bump on the injection site on 15Oct2021 at 17:00, it is red on 18Oct2021, it is hot to the touch on 18Oct2021, it feels like a bruise and hurts when I press on it on 18Oct2021, chills on 15Oct2021, felt exhausted, had a headache on 15Oct2021 at 17:00. This case was assessed as non-serious. The patient bump on the injection site and thought that was normal but it grew the next day and the day after. By day 3 (assuming vaccine day was day 0), it is 3 inches wide and 2 inches tall. It is raised. It is red and it is hot to the touch. It feels like a bruise and hurts when patient press on it. The patient also stated she don't have a fever and had a headache, chills and felt exhausted but those are all the other side effects they are mostly gone by day 3 and these were first two vaccines too. No rash or bump from the first two. The adverse event resulted in healthcare professional office/clinic visit. Prior to vaccination, the patient did not diagnose with COVID-19. The patient received Advil used for Ease pain from 18Oct2021 and Claritin used for Ease itch from 19Oct2021. Since the vaccination, the patient has not been tested for COVID-19. No known allergies were reported. Booster dose was administered due to high risk of frequent institutional or occupational exposure to coronavirus (and at risk of serious COVID-19 complications). The outcome of the events chills, fatigue and headache was recovered on 18Oct2021 at 5:00 and outcome of the remaining events was not recovered.  Follow-up attempts are completed. No further information is expected.