My memory became foggy / It's hard to remember yesterday.; I was bed ridden; my joints begin to hurt; my muscles begin to ache; I started passing out / Around September 1st was the last time I passed out; I went to the Emergency Room and found out that my kidneys were shutting down; took the Moderna shot and the day after I didn't feel like eating because my stomach was a little upset; This spontaneous case was reported by a patient and describes the occurrence of LOSS OF CONSCIOUSNESS (I started passing out / Around September 1st was the last time I passed out) and RENAL IMPAIRMENT (I went to the Emergency Room and found out that my kidneys were shutting down) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    In February 2021, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In 2021, the patient experienced ABDOMINAL DISCOMFORT (took the Moderna shot and the day after I didn't feel like eating because my stomach was a little upset). On an unknown date, the patient experienced LOSS OF CONSCIOUSNESS (I started passing out / Around September 1st was the last time I passed out) (seriousness criterion medically significant), RENAL IMPAIRMENT (I went to the Emergency Room and found out that my kidneys were shutting down) (seriousness criterion medically significant), MEMORY IMPAIRMENT (My memory became foggy / It's hard to remember yesterday.), BEDRIDDEN (I was bed ridden), ARTHRALGIA (my joints begin to hurt) and MYALGIA (my muscles begin to ache). At the time of the report, LOSS OF CONSCIOUSNESS (I started passing out / Around September 1st was the last time I passed out), ABDOMINAL DISCOMFORT (took the Moderna shot and the day after I didn't feel like eating because my stomach was a little upset), BEDRIDDEN (I was bed ridden), ARTHRALGIA (my joints begin to hurt) and MYALGIA (my muscles begin to ache) outcome was unknown and RENAL IMPAIRMENT (I went to the Emergency Room and found out that my kidneys were shutting down) and MEMORY IMPAIRMENT (My memory became foggy / It's hard to remember yesterday.) had not resolved.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) was unknown.       No relevant concomitant medications were reported.  Patient could still taste and smell food and didn't have any fever. Patient was on dialysis still the day of reporting. It was reported that patient had finally started to get back some stamina back. Doctors have checked patient's brain, heart and blood and tried to figure out what was going on with patient's body. Still no conclusive answers were reported.  Company comment  This Spontaneous case reported by a patient concerns a patient of unknown age and gender, with no relevant medical history reported, who experienced the unexpected, serious (medically significant) event of Loss of consciousness and the AESI of Renal Impairment, unknown days after the administration of an unspecified dose of mRNA-1273 vaccine in the COVID-19 vaccination series, among other non serious events of Abdominal Discomfort, memory Impairment, Bedridden with Arthralgia and Myalgia. Onset Latency could not be calculated as the vaccine administration date and events onset dates were not provided. No information on Previous vaccination doses, risk factors, comorbidities, clinical course, investigations, concomitant and treatment medications was available in the report. No conclusive details were reported regarding the cause of the events. Patient was on dialysis still the day of reporting. Renal Impairment had not resolved. The event outcome of Loss of consciousness was unknown. The benefit-risk relationship of mRNA-1273 is not affected by this report.; Sender's Comments: This Spontaneous case reported by a patient concerns a patient of unknown age and gender, with no relevant medical history reported, who experienced the unexpected, serious (medically significant) event of Loss of consciousness and the AESI of Renal Impairment, unknown days after the administration of an unspecified dose of mRNA-1273 vaccine in the COVID-19 vaccination series, among other non serious events of Abdominal Discomfort, memory Impairment, Bedridden with Arthralgia and Myalgia. Onset Latency could not be calculated as the vaccine administration date and events onset dates were not provided. No information on Previous vaccination doses, risk factors, comorbidities, clinical course, investigations, concomitant and treatment medications was available in the report. No conclusive details were reported regarding the cause of the events. Patient was on dialysis still the day of reporting. Renal Impairment had not resolved. The event outcome of Loss of consciousness was unknown. The benefit-risk relationship of mRNA-1273 is not affected by this report.