Admitted to hospital in critical care; Kidney function issue; Liver function issue; He also gets confused about things.; Unbalanced on his feet/Standing up he losses balance; At least now he can stand on his own with help of a walker, that he did not need before.; Lost his voice; Lost sense of smell; Lost sense of taste; Wants to sleep 12 to 16 hours a day; Brain fog; He does not have energy at all; He also has extreme frequent urination; He lost all appetite. Not eating; If he eats he gets nauseas; Lost pounds; Cough; Low grade fever; Four hours later after second shot, he started not to feel quite well, and each day he got a little worse.; This spontaneous case was reported by an other health care professional (subsequently medically confirmed) and describes the occurrence of HOSPITALISATION (Admitted to hospital in critical care), RENAL IMPAIRMENT (Kidney function issue), HEPATIC FUNCTION ABNORMAL (Liver function issue), CONFUSIONAL STATE (He also gets confused about things.), BALANCE DISORDER (Unbalanced on his feet/Standing up he losses balance), DYSSTASIA (At least now he can stand on his own with help of a walker, that he did not need before.), DYSPHONIA (Lost his voice), ANOSMIA (Lost sense of smell), AGEUSIA (Lost sense of taste), SOMNOLENCE (Wants to sleep 12 to 16 hours a day), FEELING ABNORMAL (Brain fog), ASTHENIA (He does not have energy at all), MICTURITION DISORDER (He also has extreme frequent urination), DECREASED APPETITE (He lost all appetite. Not eating), NAUSEA (If he eats he gets nauseas), WEIGHT DECREASED (Lost pounds), MALAISE (Four hours later after second shot, he started not to feel quite well, and each day he got a little worse.), COUGH (Cough) and PYREXIA (Low grade fever) in a 71-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 044A21A) for COVID-19 vaccination.     No medical history was provided by the reporter.  Concomitant products included AMLODIPINE, SOTALOL, Rosuvastatin Crestor, CLOPIDOGREL and RIVAROXABAN (XARELTO).    On 18-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 15-Apr-2021, the patient experienced MALAISE (Four hours later after second shot, he started not to feel quite well, and each day he got a little worse.) (seriousness criterion hospitalization). On 27-Apr-2021, the patient experienced HOSPITALISATION (Admitted to hospital in critical care) (seriousness criterion hospitalization). On an unknown date, the patient experienced RENAL IMPAIRMENT (Kidney function issue) (seriousness criterion medically significant), HEPATIC FUNCTION ABNORMAL (Liver function issue) (seriousness criterion hospitalization), CONFUSIONAL STATE (He also gets confused about things.) (seriousness criterion hospitalization), BALANCE DISORDER (Unbalanced on his feet/Standing up he losses balance) (seriousness criterion hospitalization), DYSSTASIA (At least now he can stand on his own with help of a walker, that he did not need before.) (seriousness criterion hospitalization), DYSPHONIA (Lost his voice) (seriousness criterion hospitalization), ANOSMIA (Lost sense of smell) (seriousness criterion hospitalization), AGEUSIA (Lost sense of taste) (seriousness criterion hospitalization), SOMNOLENCE (Wants to sleep 12 to 16 hours a day) (seriousness criterion hospitalization), FEELING ABNORMAL (Brain fog) (seriousness criterion hospitalization), ASTHENIA (He does not have energy at all) (seriousness criterion hospitalization), MICTURITION DISORDER (He also has extreme frequent urination) (seriousness criterion hospitalization), DECREASED APPETITE (He lost all appetite. Not eating) (seriousness criterion hospitalization), NAUSEA (If he eats he gets nauseas) (seriousness criterion hospitalization), WEIGHT DECREASED (Lost pounds) (seriousness criterion hospitalization), COUGH (Cough) (seriousness criterion hospitalization) and PYREXIA (Low grade fever) (seriousness criterion hospitalization). On 05-May-2021, HOSPITALISATION (Admitted to hospital in critical care) outcome was unknown. At the time of the report, RENAL IMPAIRMENT (Kidney function issue), HEPATIC FUNCTION ABNORMAL (Liver function issue), CONFUSIONAL STATE (He also gets confused about things.), BALANCE DISORDER (Unbalanced on his feet/Standing up he losses balance), DYSSTASIA (At least now he can stand on his own with help of a walker, that he did not need before.), DYSPHONIA (Lost his voice), ANOSMIA (Lost sense of smell), AGEUSIA (Lost sense of taste), SOMNOLENCE (Wants to sleep 12 to 16 hours a day), FEELING ABNORMAL (Brain fog), ASTHENIA (He does not have energy at all), MICTURITION DISORDER (He also has extreme frequent urination), DECREASED APPETITE (He lost all appetite. Not eating), NAUSEA (If he eats he gets nauseas), WEIGHT DECREASED (Lost pounds), MALAISE (Four hours later after second shot, he started not to feel quite well, and each day he got a little worse.), COUGH (Cough) and PYREXIA (Low grade fever) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Blood calcium: high (High) High.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route) was unknown.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown Route), the reporter did not provide any causality assessments.   No treatment drug information were provided.  MRI in every inch of his body, ultra sound in all organs. Did a bone narrow biopsy and a lymph node biopsy. Results come back normal.  Very limited information regarding this events has been provided at this time. Based on the current available information and temporal association between the use of the product and the start date of the event, a causal relationship cannot be excluded.  The patient's comorbidities remains as confounders.; Sender's Comments: Very limited information regarding this events has been provided at this time. Based on the current available information and temporal association between the use of the product and the start date of the event, a causal relationship cannot be excluded.  The patient's comorbidities remains as confounders.