Reactions after her vaccination; felt like my eyes were heavy; Felt fuzzy in the head, foggy and not connecting the dots; Transient Global Amnesia(TGA); After 11:15 I had no memory of what I was doing until 17:00; It felt like I was in a dream but couldn't say what the dream was about; My wife said my conversations made no sense; headache; nausea; Vomiting; dissociation, disassociate; Soreness at the injections site; A spontaneous report was received from a consumer concerning a 70-year-old, female patient, who received Moderna's COVID-19 vaccine (mRNA-1273) and experienced reactions after her vaccination, soreness at the injections site, she was reaching for pepper yet she was unable to call it pepper in her mind, dissociation, After 11:15 I had no memory of what I was doing until 17:00(Amnesia), My wife said my conversations made no sense(Slurry speech)), it felt like I was in a dream but couldn't say what the dream was about(Dreamy state), didn't know the day, year or what we ate the day before, headache, nausea, vomiting, felt fuzzy in the head, transient global amnesia (TGA)with seriousness criteria as hospitalization required, foggy and not connecting the dots, disassociated and felt like my eyes were heavy.   The patient's medical history was not provided by the reporter. Concomitant medications reported included cetirizine hydrochloride, fluticasone propionate, famipril, carvedilol, alendronate sodium, levothyroxine, vitamin D3, ascorbic acid, calcium, magnesium, zinc combo pill and probiotics.  On 09 Feb 2021, prior to the onset of the events, the patient received their first of two planned doses of mRNA-1273 (Lot number: 030M20A) intramuscularly in the right deltoid for prophylaxis of COVID-19 infection.   On an unspecified date, patient experienced reactions after her vaccination.  On 09 Feb 2021, patient experienced soreness at the injections site.  On 12 Feb 2021, patient experienced she was reaching for pepper yet she was unable to call it pepper in her mind and dissociation (happened twice on 13 Feb 2021 and 14 Feb 2021).   On 14 Feb 2021, patient experienced after 11:15 she had no memory of what she was doing until 17:00, my wife said my conversations made no sense, it felt like I was in a dream but couldn't say what the dream was about, didn't know the day, year or what we ate the day before, headache, nausea, vomiting, felt fuzzy in the head. The ambulance took her to the south shore university hospital emergency room, and was diagnosed with transient global amnesia (TGA), she was admitted overnight for observation. She was foggy and not connecting the dots, disassociated. By 20:00 she was back to normal. There was no medication and they were pleased with the progress of her being able to recall the situation.  On 18 Feb 2021, patient experienced felt like her eyes were heavy. She will be scheduled to consult a pulmonologist but that appointment was pending. Her primary care practitioner was concerned as that was related to the Moderna COVID-19 vaccination and is skeptical to let her take second dose. She has an appointment with a neurologist for 01 Mar 2021.  On an unspecified date, lab tests were performed included tests for tumor, stroke, seizure or vascular issues, MRI and EEG; however, the results were negative.  Treatment for the events were not provided by the reporter.  Action taken with mRNA-1273 in response to the events was not reported.   The outcome of the event, reactions after her vaccination was unknown.  The outcome of the event, soreness at the injections site was recovered on 10 Feb 2021.  The outcome of the events she was reaching for pepper yet she was unable to call it pepper in her mind was resolved on 12 Feb 2021, The outcome of the event dissociation were recovered on 13 Feb 2021.  The outcome of the events after 11:15 I had no memory of what I was doing until 17:00, my wife said my conversations made no sense, it felt like I was in a dream but couldn't say what the dream was about, didn't know the day, year or what we ate the day before, headache, nausea, vomiting, felt fuzzy in the head, transient global amnesia (TGA), foggy and not connecting the dots, disassociated were recovered on 14 Feb 2021.   The outcome of the event felt like my eyes were heavy was unknown.; Reporter's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events (nausea, vomiting, headache, and vaccination site pain) a causal relationship cannot be excluded. Very limited information regarding these event (Transient global amnesia and other events) has been provided at this time. Further information has been requested.