Deep vein thrombosis; Blood clot in lungs; pneumonia; Type 2 Diabetic, borderline Type 1; This is a spontaneous report received from a Consumer or other non HCP. A 66-year-old male patient received BNT162b2 omicron (kp.2) (COMIRNATY (2024-2025 FORMULA)), as dose 1, single (Batch/Lot number: unknown), in left arm for covid-19 immunisation. The patient’s relevant medical history and concomitant medications were not reported. The following information was reported: PULMONARY THROMBOSIS (hospitalization), outcome “unknown”, described as “Blood clot in lungs”; DEEP VEIN THROMBOSIS (hospitalization, medically significant), outcome “unknown”; PNEUMONIA (medically significant), outcome “unknown”; TYPE 2 DIABETES MELLITUS (medically significant), outcome “not recovered”, described as “Type 2 Diabetic, borderline Type 1”. The patient was hospitalized for pulmonary thrombosis (hospitalization duration: 11 day(s)). The patient underwent the following laboratory tests and procedures: lab: Unknown results. Therapeutic measures were taken as a result of pulmonary thrombosis, deep vein thrombosis. Clinical course: Patient who received the latest Comirnaty vaccine. He is having side effects that he was calling to report and wanted to speak to someone about that. After transfer clarified it’s been a while since had the vaccine, but saw a published list of side effects and have couple those wanted to discuss. Clarified side effects she experienced as having deep vein thrombosis and had blood clots in lungs. Deep Vein Thrombosis, he explained he is on blood thinners to keep it from happening. Blood Clot in Lungs, confirmed he thinks itis gone. They pumped him with anticoagulants while in the hospital. He was in the hospital for 11 days due to this. He also added, now he is a Type 2 Diabetic, borderline Type 1 and he was not a diabetic before. He is on a lot of medication. Outcome is unable to provide, stated he is still holding on. He has to watch what he eats and take medication. Treatment: He clarified later the blood thinner as, Eliquis- 2.5mg twice a day, tablet, by mouth. He also clarified, the diabetic medication as Jardiance, dosage unknown and, Rybelsus dosage unknown. He confirmed this was the only Pfizer Comirnaty Vaccine he received. He added that he had pneumonia several times after receiving the vaccine. This occurred months after experiencing deep vein thrombosis and blood clot in lungs. However, does not know the dates to provide. He was hospitalized for a week(as reported). He had labs done during this time, but no further details provided. Prior Vaccinations (within 4 weeks): None. The information on the batch/lot number for BNT162b2 omicron (kp.2) will be requested and submitted if and when received.