This spontaneous case was reported by a consumer and describes the occurrence of COMA (went into a coma), CARDIAC ARREST (2 days after she was diagnosed with COVID, she fell into cardiac arrest), HYPOKINESIA (couldn't get out of bed/couldn't move), ARTERIAL OCCLUSIVE DISEASE (clogged arteries in her legs), PERONEAL NERVE PALSY (foot drop), COVID-19 (acquired COVID/2 days after she was diagnosed with COVID, she fell into cardiac arrest), RALES (a little bit of crackling in her lungs), ORAL CANDIDIASIS (thrush in her mouth), ASTHENIA (completely weak/extreme weakness), PAIN (extreme pain/continued with the pain), HOSPITALISATION (she was in the hospital for a total of 131 days) and PYREXIA (fever) in a 74-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     No Medical History information was reported.   In January 2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In February 2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. In February 2021, the patient experienced PAIN (extreme pain/continued with the pain) (seriousness criteria death, hospitalization and disability). In July 2021, the patient experienced COMA (went into a coma) (seriousness criteria death, hospitalization, disability, medically significant and life threatening), CARDIAC ARREST (2 days after she was diagnosed with COVID, she fell into cardiac arrest) (seriousness criteria death, hospitalization, disability and medically significant) and COVID-19 (acquired COVID/2 days after she was diagnosed with COVID, she fell into cardiac arrest) (seriousness criteria death, hospitalization prolonged and disability). On an unknown date, the patient experienced HYPOKINESIA (couldn't get out of bed/couldn't move) (seriousness criteria death, hospitalization and disability), ARTERIAL OCCLUSIVE DISEASE (clogged arteries in her legs) (seriousness criteria death, hospitalization and disability), PERONEAL NERVE PALSY (foot drop) (seriousness criteria death, hospitalization and disability), RALES (a little bit of crackling in her lungs) (seriousness criteria death, hospitalization and disability), ORAL CANDIDIASIS (thrush in her mouth) (seriousness criteria death, hospitalization and disability), ASTHENIA (completely weak/extreme weakness) (seriousness criteria death, hospitalization and disability), HOSPITALISATION (she was in the hospital for a total of 131 days) (seriousness criteria death and hospitalization prolonged) and PYREXIA (fever) (seriousness criteria death, hospitalization and disability). The patient died on 23-Jul-2021. The reported cause of death was Coma, Cardiac arrest, Movements reduced, Arterial occlusion, Foot drop, covid-19, Crackles lung, Oral thrush, Weakness, Pain and Fever. It is unknown if an autopsy was performed.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): In 2021, Biopsy: abnormal (abnormal) extreme vasculitis after a nerve biopsy. In 2021, Biopsy muscle: abnormal (abnormal) muscles were debilitating. In 2021, COVID-19: positive (Positive) positive.   No concomitant and treatment information was provided.  Patient was removed from the hospital and taken to a rehabilitation facility. Patient had a fever at that facility and a little bit of crackling in her lungs. Then patient  was admitted back in the hospital for four months. They did a biopsy in the throat due to thrush in patients mouth, which the patient  never had before. patient was completely weak, and couldn't find out what patient had.. After 3 months in the hospital, they found that patient  had extreme vasculitis after a nerve biopsy. They gave patient a treatment to lower her vascular system; the name is unknown. patient was doing well, but then patient acquired COVID in July 2021. Two days after patient was diagnosed with COVID, and fell into cardiac arrest. patient  went into a coma, then  passed 3 days later on 23Jul2021. patient was in the hospital for a total of 131 days.  Company Comment: This is a case of death in a 74-year-old female patient, after receiving on February, date unknown an unspecified dose of vaccine (Lot number unknown). Cause of death was coma, cardiac arrest, movements reduced, arterial occlusion, foot drop, covid-19, crackles lung, oral thrush, weakness, pain and fever. Very limited information regarding underlying medical history, concomitant medications and autopsy report was provided at this time. Further information is expected.; Sender's Comments: This is a case of death in a 74-year-old female patient, after receiving on February, date unknown an unspecified dose of vaccine (Lot number unknown). Cause of death was coma, cardiac arrest, movements reduced, arterial occlusion, foot drop, covid-19, crackles lung, oral thrush, weakness, pain and fever. Very limited information regarding underlying medical history, concomitant medications and autopsy report was provided at this time. Further information is expected.; Reported Cause(s) of Death: cardiac arrest; coma; Pain; Movements reduced; arterial occlusion; foot drop; fever; crackles lung; Oral thrush; weakness; COVID-19