Numbness; Palpitations; Chills; Nausea; they were found anemic, with low blood pressure; severe adverse reaction; Intestinal cramps; Pain in knees and heap; Irregular heart rate; Intestinal colic; Diarrhoea; Bone pain; Reduced level of consciousness; they were found anemic, with low blood pressure; pain in their articulations; pain in their neck, heap; pain in their finger nails and toes nails; weren't able to stand up; huge fatigue; Fever; inflammation in their lymph nodes/Swollen lymph nodes; This spontaneous case was reported by a consumer and describes the occurrence of DEPRESSED LEVEL OF CONSCIOUSNESS (Reduced level of consciousness) in a 32-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 042b21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 15-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 16-Apr-2021, the patient experienced PYREXIA (Fever) and LYMPHADENOPATHY (inflammation in their lymph nodes/Swollen lymph nodes). On 04-May-2021, the patient experienced DYSARTHRIA (pain in their articulations), NECK PAIN (pain in their neck, heap), ONYCHALGIA (pain in their finger nails and toes nails), DYSSTASIA (weren't able to stand up) and FATIGUE (huge fatigue). On 18-May-2021, the patient experienced ANAEMIA (they were found anemic, with low blood pressure). On an unknown date, the patient experienced DEPRESSED LEVEL OF CONSCIOUSNESS (Reduced level of consciousness) (seriousness criterion medically significant), HYPOTENSION (they were found anemic, with low blood pressure), VACCINATION COMPLICATION (severe adverse reaction), GASTROINTESTINAL PAIN (Intestinal cramps), HYPOAESTHESIA (Numbness), PALPITATIONS (Palpitations), HEART RATE IRREGULAR (Irregular heart rate), ABDOMINAL PAIN (Intestinal colic), DIARRHOEA (Diarrhoea), BONE PAIN (Bone pain), CHILLS (Chills), NAUSEA (Nausea) and ARTHRALGIA (Pain in knees and heap). On 30-Apr-2021, PYREXIA (Fever) and LYMPHADENOPATHY (inflammation in their lymph nodes/Swollen lymph nodes) outcome was unknown. At the time of the report, DEPRESSED LEVEL OF CONSCIOUSNESS (Reduced level of consciousness), DYSARTHRIA (pain in their articulations), NECK PAIN (pain in their neck, heap), ONYCHALGIA (pain in their finger nails and toes nails), DYSSTASIA (weren't able to stand up), ANAEMIA (they were found anemic, with low blood pressure), HYPOTENSION (they were found anemic, with low blood pressure), VACCINATION COMPLICATION (severe adverse reaction), GASTROINTESTINAL PAIN (Intestinal cramps), HYPOAESTHESIA (Numbness), PALPITATIONS (Palpitations), HEART RATE IRREGULAR (Irregular heart rate), ABDOMINAL PAIN (Intestinal colic), DIARRHOEA (Diarrhoea), BONE PAIN (Bone pain), CHILLS (Chills), NAUSEA (Nausea), ARTHRALGIA (Pain in knees and heap) and FATIGUE (huge fatigue) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No relevant concomitant medication was reported. Treatment information was not provided.  Company Comment : Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.   Most recent FOLLOW-UP information incorporated above includes: On 29-Jun-2021: Follow up received on 29-JUN-2021 was in native language On 29-Jun-2021: Translated document received on the date 9-jul-2021 is significant. patient details were updated, events were updated.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.