Passed out on ground almost immediately after 2nd dose; Pain from arm all the way up to shoulder after 2nd dose; Heat flashes; Couldn't breathe after 2nd dose; Pain in left arm from elbow to neck after 2nd dose; Feels like she has swollen throat after 2nd dose; Feels like food's not going down after 2nd dose; Dizziness and Lightheaded after 2nd dose; Pain in left arm from elbow to neck after 2nd dose; All the signs of a severe allergic reaction except for rash after 2nd dose; Red after 2nd dose; Heat flashes throughout the night after 2nd dose; Cold then hot after 2nd dose; Hands and feet felt numb after 2nd dose; Lingering tingling feeling after 2nd dose; she wasnt feeing well; She almost threwup; Headache after 2nd dose; Fatigue after 2nd dose; Fever up to 101.6 degrees F after 2nd dose; This spontaneous case was reported by a consumer and describes the occurrence of LOSS OF CONSCIOUSNESS (Passed out on ground almost immediately after 2nd dose) in a 43-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 007c21a) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.    On 25-May-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced LOSS OF CONSCIOUSNESS (Passed out on ground almost immediately after 2nd dose) (seriousness criterion medically significant), PAIN (Pain from arm all the way up to shoulder after 2nd dose), FEELING HOT (Heat flashes), DYSPNOEA (Couldn't breathe after 2nd dose), PAIN IN EXTREMITY (Pain in left arm from elbow to neck after 2nd dose), PHARYNGEAL SWELLING (Feels like she has swollen throat after 2nd dose), OROPHARYNGEAL DISCOMFORT (Feels like food's not going down after 2nd dose), DIZZINESS (Dizziness and Lightheaded after 2nd dose), NECK PAIN (Pain in left arm from elbow to neck after 2nd dose), HYPERSENSITIVITY (All the signs of a severe allergic reaction except for rash after 2nd dose), ERYTHEMA (Red after 2nd dose), HOT FLUSH (Heat flashes throughout the night after 2nd dose), NASOPHARYNGITIS (Cold then hot after 2nd dose), HYPOAESTHESIA (Hands and feet felt numb after 2nd dose), PARAESTHESIA (Lingering tingling feeling after 2nd dose), MALAISE (she wasnt feeing well), VOMITING (She almost threwup), HEADACHE (Headache after 2nd dose), FATIGUE (Fatigue after 2nd dose) and PYREXIA (Fever up to 101.6 degrees F after 2nd dose). At the time of the report, LOSS OF CONSCIOUSNESS (Passed out on ground almost immediately after 2nd dose), PAIN (Pain from arm all the way up to shoulder after 2nd dose), FEELING HOT (Heat flashes), DYSPNOEA (Couldn't breathe after 2nd dose), PAIN IN EXTREMITY (Pain in left arm from elbow to neck after 2nd dose), PHARYNGEAL SWELLING (Feels like she has swollen throat after 2nd dose), OROPHARYNGEAL DISCOMFORT (Feels like food's not going down after 2nd dose), DIZZINESS (Dizziness and Lightheaded after 2nd dose), NECK PAIN (Pain in left arm from elbow to neck after 2nd dose), HYPERSENSITIVITY (All the signs of a severe allergic reaction except for rash after 2nd dose), ERYTHEMA (Red after 2nd dose), HOT FLUSH (Heat flashes throughout the night after 2nd dose), NASOPHARYNGITIS (Cold then hot after 2nd dose), HYPOAESTHESIA (Hands and feet felt numb after 2nd dose), PARAESTHESIA (Lingering tingling feeling after 2nd dose), MALAISE (she wasnt feeing well), VOMITING (She almost threwup), HEADACHE (Headache after 2nd dose), FATIGUE (Fatigue after 2nd dose) and PYREXIA (Fever up to 101.6 degrees F after 2nd dose) outcome was unknown.            No concomitant medication information was provided  No treatment product information was provided  Action taken with mRNA-1273 (Moderna COVID-19 Vaccine) was not applicable.  Company 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.; 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.