She passed out 3 times and could not sit up/Passed out 3 times after booster; Anaphylactic shock after booster; could not sit up after booster; Shaking uncontrollably after booster; Scared to death after booster; This spontaneous case was reported by a consumer and describes the occurrence of LOSS OF CONSCIOUSNESS (She passed out 3 times and could not sit up/Passed out 3 times after booster), ANAPHYLACTIC SHOCK (Anaphylactic shock after booster), SITTING DISABILITY (could not sit up after booster), TREMOR (Shaking uncontrollably after booster) and FEAR (Scared to death after booster) in a 30-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination.     The patient's past medical history included COVID-19 in October 2020. Concurrent medical conditions included Allergy NOS (A lot of allergies).    On 22-Dec-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On 22-Dec-2021, the patient experienced LOSS OF CONSCIOUSNESS (She passed out 3 times and could not sit up/Passed out 3 times after booster) (seriousness criteria hospitalization and medically significant), ANAPHYLACTIC SHOCK (Anaphylactic shock after booster) (seriousness criteria hospitalization and medically significant), SITTING DISABILITY (could not sit up after booster) (seriousness criteria hospitalization and medically significant), TREMOR (Shaking uncontrollably after booster) (seriousness criteria hospitalization and medically significant) and FEAR (Scared to death after booster) (seriousness criteria hospitalization and medically significant). At the time of the report, LOSS OF CONSCIOUSNESS (She passed out 3 times and could not sit up/Passed out 3 times after booster), ANAPHYLACTIC SHOCK (Anaphylactic shock after booster), SITTING DISABILITY (could not sit up after booster), TREMOR (Shaking uncontrollably after booster) and FEAR (Scared to death after booster) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 22-Dec-2021, Blood pressure measurement: low (Low) Low(numbers not known)..         No concomitant product use was provided by the reporter.   The patient was a heathy athletic person. The patient did not have a history of myocarditis or any heart problems. She did intense exercises and if there was anything wrong with her heart, she would have known by now.The patient went in to anaphylactic shock after booster, but did not have all the common signs of the anaphylactic shock. The emergency services were called and the patient was taken to the hospital. The patient was shaking uncontrollably, blood Pressure was low (numbers not known). She passed out 3 times and could not sit up, she was scared to death. No treatment medications were reported.  Company comment:This is a spontaneous case concerning a 30-year-old female patient with a concurrent medical condition of "A lot of allergies", who experienced the unexpected serious events of Loss of consciousness, Anaphylactic shock, Sitting disability, Tremor, and Fear(seriousness criteria hospitalization and medically significant). All events occurred on the same day the patient received the third dose of mRNA-1273 (Moderna COVID-19 Vaccine).The rechallenge was unknown since there's no information about the first two doses. The benefit-risk relationship of mRNA-1273 Vaccine is not affected by this report.   This case was linked to MOD-2021-422844, MOD-2021-422827 (Patient Link).; Sender's Comments: This is a spontaneous case concerning a 30-year-old female patient with a concurrent medical condition of "A lot of allergies", who experienced the unexpected serious events of Loss of consciousness, Anaphylactic shock, Sitting disability, Tremor, and Fear(seriousness criteria hospitalization and medically significant). All events occurred on the same day the patient received the third dose of mRNA-1273 (Moderna COVID-19 Vaccine).The rechallenge was unknown since there's no information about the first two doses. The benefit-risk relationship of mRNA-1273 Vaccine is not affected by this report.