blacked out for a moment; sweats; get a bit sick every time she get a vaccine and with many medications, this, however, has been worse than before; Currently in a more symptomatic state as a result of the general malaise; body aches; fever over 102; vomiting; chills; headache; This spontaneous case was reported by a consumer and describes the occurrence of LOSS OF CONSCIOUSNESS (blacked out for a moment) in a 44-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     Concurrent medical conditions included Parkinson's disease.    On 29-Mar-2022, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. In March 2022, the patient experienced HYPERHIDROSIS (sweats), ILLNESS (get a bit sick every time she get a vaccine and with many medications, this, however, has been worse than before), MALAISE (Currently in a more symptomatic state as a result of the general malaise), MYALGIA (body aches), PYREXIA (fever over 102), VOMITING (vomiting), CHILLS (chills) and HEADACHE (headache). On 30-Mar-2022, the patient experienced LOSS OF CONSCIOUSNESS (blacked out for a moment) (seriousness criterion medically significant). On 30-Mar-2022, LOSS OF CONSCIOUSNESS (blacked out for a moment) had resolved. At the time of the report, HYPERHIDROSIS (sweats), ILLNESS (get a bit sick every time she get a vaccine and with many medications, this, however, has been worse than before), MALAISE (Currently in a more symptomatic state as a result of the general malaise), MYALGIA (body aches), PYREXIA (fever over 102), VOMITING (vomiting), CHILLS (chills) and HEADACHE (headache) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Body temperature: 102 (High) Fever over 102..         Relevant concomitant medications were not reported.  The patient received the Booster at the pharmacy and Lot number reported as Lot#027(it was a 6 or L, the handwriting it hard to read)21A. Patient experienced fever over 102, vomiting, sweats or chills, headache, body aches and blacked out for a moment in shower on 30-Mar-2022. Patient experienced bit sick everytime she gets vaccinated with many medications, howeverthis was worse that before. the patient consulted with doctor prior to vaccination who felt that it was better to get the shot than not.  Treatment information was not provided.  Company Comment: This spontaneous case concerns a 44-year-old, female patient, with relevant medical history of episodes similar to the current one following both previous vaccinations with mRNA-1273 and with other vaccines and medications as well, who experienced the unexpected, serious (Seriousness criterion Medically Significant) event of Loss of consciousness 1 day after the third dose of mRNA-1273. Patient experienced a blackout for a moment in the shower. No relevant lab data or details regarding clinical course and treatment received were reported. Outcome of the event was Resolved. Rechallenge was positive as patient had experienced the same reactions with prior two doses of vaccine as well. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.   This case was linked to MOD-2022-529919 (Patient Link).; Sender's Comments: This spontaneous case concerns a 44-year-old, female patient, with relevant medical history of episodes similar to the current one following both previous vaccinations with mRNA-1273 and with other vaccines and medications as well, who experienced the unexpected, serious (Seriousness criterion Medically Significant) event of Loss of consciousness 1 day after the third dose of mRNA-1273. Patient experienced a blackout for a moment in the shower. No relevant lab data or details regarding clinical course and treatment received were reported. Outcome of the event was Resolved. Rechallenge was positive as patient had experienced the same reactions with prior two doses of vaccine as well. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.