couldn't be able to see anything; weak; very hungry; I was unconsciousness; I fall on the floor; can't breathe better,force to breath; I tried to stand, and it was difficult like I was drunk; high temperature; fatigue; couldn't sleep; felt tension in muscles, cheek; head was heavy; This spontaneous case was reported by a consumer and describes the occurrence of LOSS OF CONSCIOUSNESS (I was unconsciousness), BLINDNESS (couldn't be able to see anything), INSOMNIA (couldn't sleep), MUSCLE TIGHTNESS (felt tension in muscles, cheek) and FEELING ABNORMAL (head was heavy) in a 62-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 036C21A and 023C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 05-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 02-Jun-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 02-Jun-2021, the patient experienced INSOMNIA (couldn't sleep), MUSCLE TIGHTNESS (felt tension in muscles, cheek), FEELING ABNORMAL (head was heavy), FALL (I fall on the floor), DYSPNOEA (can't breathe better,force to breath), GAIT INABILITY (I tried to stand, and it was difficult like I was drunk), PYREXIA (high temperature) and FATIGUE (fatigue). On 03-Jun-2021, the patient experienced LOSS OF CONSCIOUSNESS (I was unconsciousness), ASTHENIA (weak) and HUNGER (very hungry). On an unknown date, the patient experienced BLINDNESS (couldn't be able to see anything). At the time of the report, LOSS OF CONSCIOUSNESS (I was unconsciousness), BLINDNESS (couldn't be able to see anything), INSOMNIA (couldn't sleep), MUSCLE TIGHTNESS (felt tension in muscles, cheek), FEELING ABNORMAL (head was heavy), ASTHENIA (weak), HUNGER (very hungry), FALL (I fall on the floor), DYSPNOEA (can't breathe better,force to breath), GAIT INABILITY (I tried to stand, and it was difficult like I was drunk), PYREXIA (high temperature) and FATIGUE (fatigue) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 03-Jun-2021, Oxygen saturation: normal (normal) normal. On an unknown date, Blood pressure measurement: normal (normal) normal. On an unknown date, Body temperature: high (High) increased. On an unknown date, Heart rate: normal (normal) normal. On an unknown date, Heart rate normal: normal (normal) normal.         Concomitant medications were not reported. Treatment information was not provided.  Company comment: This case concerns a 62 year old male with no reported medical history , who experienced Non-serious , unexpected event of  insominia,  feeling abnormal , muscle tightness  and expected events of fatigue and fever which occurred on the night after vaccination with the 2nd dose of mRNA-1273 vaccine ( Moderna Covid 19 vaccine ) . The day after the vaccination with the 2nd dose Non-serious , unexpected events of  Fall, asthenia , Loss  of consciousness  , hunger , blindness , dyspnea , Gait inability  occurred .  The re- challenge is considered not applicable, as the events occurred after the 2nd dose and  no additional doses will be given  and also the outcome of the events  is unknown. The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.; Sender's Comments: This case concerns a 62 year old male with no reported medical history , who experienced Non-serious , unexpected event of  insominia,  feeling abnormal , muscle tightness  and expected events of fatigue and fever which occurred on the night after vaccination with the 2nd dose of mRNA-1273 vaccine ( Moderna Covid 19 vaccine ) . The day after the vaccination with the 2nd dose Non-serious , unexpected events of  Fall, asthenia , Loss  of consciousness  , hunger , blindness , dyspnea , Gait inability  occurred .  The re- challenge is considered not applicable, as the events occurred after the 2nd dose and  no additional doses will be given  and also the outcome of the events  is unknown. The benefit -risk relationship of mRNA -1273 ( Moderna Covid 19 Vaccine) is not affected by this report.