short of breath; aching/hurting all over; abdominal pain; chest discomfort; nausea; vomiting several times; oxygen saturation went down in the 70's; chest pain; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  An 81 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 24Jan2022 17:00 (Lot number: FJ5682) at the age of 81 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "CAD" (unspecified if ongoing); "Prostate cancer" (unspecified if ongoing); "Kidney disease" (unspecified if ongoing); "Diabetic" (unspecified if ongoing); "Interstitial lung disease" (unspecified if ongoing); "hypertension" (unspecified if ongoing); "hypothyroidism" (unspecified if ongoing); "sleep apnea" (unspecified if ongoing); "Known allergies: IVP dye" (unspecified if ongoing); "Known allergies: Ace Inhibitors" (unspecified if ongoing). Concomitant medication(s) included: AMIODARONE; LEVOTHYROXIN; METOPROLOL; LASIX [FUROSEMIDE]; ASA. Past drug history included: Iv lidocaine, reaction(s): "Drug Allergy"; Tricor, reaction(s): "Drug Allergy"; Tamiflu, reaction(s): "Drug Allergy"; Niacin, reaction(s): "Drug Allergy"; Amlodipine, reaction(s): "Drug Allergy". Vaccination history included: Bnt162b2 (Dose Number: 1, Batch/Lot No: EN3247, Location of injection: Arm Left), administration date: 28Jan2021, when the patient was 80 years old, for COVID-19 immunization; Bnt162b2 (Dose Number: 2, Batch/Lot No: EN531B, Location of injection: Arm Right), administration date: 18Feb2021, when the patient was 80 years old, for COVID-19 immunization. The following information was reported: DYSPNOEA (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "short of breath"; PAIN (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "aching/hurting all over"; ABDOMINAL PAIN (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "abdominal pain"; CHEST DISCOMFORT (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "chest discomfort"; NAUSEA (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "nausea"; VOMITING (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "vomiting several times"; OXYGEN SATURATION DECREASED (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "oxygen saturation went down in the 70's"; CHEST PAIN (hospitalization) with onset 24Jan2022 21:00, outcome "recovering", described as "chest pain ". The patient was hospitalized for dyspnoea, pain, abdominal pain, chest discomfort, nausea, vomiting, oxygen saturation decreased, chest pain (hospitalization duration: 4 day(s)). The events "short of breath", "aching/hurting all over", "abdominal pain", "chest discomfort", "nausea", "vomiting several times", "oxygen saturation went down in the 70's" and "chest pain " were evaluated at the emergency room visit. The patient underwent the following laboratory tests and procedures: electrocardiogram: (unspecified date) unknown results; investigation: (unspecified date) unknown results; oxygen saturation: (26Jan2022) 70, notes: oxygen saturation went down in the 70's; sars-cov-2 test: (26Jan2022) negative. Therapeutic measures were taken as a result of dyspnoea, pain, abdominal pain, chest discomfort, nausea, vomiting, oxygen saturation decreased, chest pain. The evening he received the Covid Booster vaccine (24Jan), he began aching/hurting all over. The next day (25Jan) he continued with the aching & hurting all over. He was in bed most of the day. That evening, he began to have abdominal pain, chest discomfort & nausea. He began vomiting several times & also became short of breath. He thought these symptoms would resolve. On 26Jan he really became short of breath, his oxygen saturation went down in the 70's. His abdominal pain & chest pain became worse. His wife then took him to the Emergency Room. He was admitted to PCU. Several tests, IV Lasix, heart monitoring.