vertigo like feeling; Very Fatigued, different from being just tired, Tired; confusion; perception issues, feeling like they are "moving faster" that they are; can't focus or concentrate; Brain fog; can't drive; dizziness/swaying and not spinning motion; This spontaneous case was reported by a consumer (subsequently medically confirmed) and describes the occurrence of DIZZINESS (dizziness/swaying and not spinning motion), CONFUSIONAL STATE (confusion), IMPERCEPTION (perception issues, feeling like they are "moving faster" that they are), DISTURBANCE IN ATTENTION (can't focus or concentrate) and FEELING ABNORMAL (Brain fog) in an 18-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 045B21A and 039A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 27-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 24-Apr-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 27-Apr-2021, the patient experienced DIZZINESS (dizziness/swaying and not spinning motion) and LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can't drive). On 13-May-2021, the patient experienced CONFUSIONAL STATE (confusion), IMPERCEPTION (perception issues, feeling like they are "moving faster" that they are), DISTURBANCE IN ATTENTION (can't focus or concentrate) and FEELING ABNORMAL (Brain fog). On 01-Jun-2021, the patient experienced VERTIGO (vertigo like feeling). 01-Jun-2021, the patient experienced FATIGUE (Very Fatigued, different from being just tired, Tired). The patient was treated with PARACETAMOL (TYLENOL) at a dose of 1 dosage form; IBUPROFEN (ADVIL 12 HOUR) at a dose of 1 dosage form; CETIRIZINE HYDROCHLORIDE (ZYRTEC [CETIRIZINE HYDROCHLORIDE]) (oral) ongoing from 03-Jan-2021 for Seasonal allergy, at a dose of 10 mg once a day and PREDNISONE from 19-May-2021 to 24-May-2021 at a dose of 1 dosage form. On 08-May-2021, DIZZINESS (dizziness/swaying and not spinning motion) had resolved. At the time of the report, CONFUSIONAL STATE (confusion), IMPERCEPTION (perception issues, feeling like they are "moving faster" that they are), DISTURBANCE IN ATTENTION (can't focus or concentrate), FEELING ABNORMAL (Brain fog), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (can't drive), VERTIGO (vertigo like feeling) and FATIGUE (Very Fatigued, different from being just tired, Tired) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   It was reported that patient was not taking any concomitant medications.  Patient had dizziness following the first dose of vaccine, and was reported to be cleared from it. After receiving the second dose, on 27-APR-2021 the dizziness returned which lasted for approximately 2 weeks and slowly went away until 08-MAY-2021. However, it was reported that the dizziness came back on 13-MAY-2021.   Patient took Acetaminophen, Ibuprofen and Cetirizine to alleviate the symptoms however they did not work. Action taken with mRNA-1273 (Moderna COVID-19 Vaccine) in response to the event was not applicable   This case was linked to MOD-2021-133022 (Patient Link).   Most recent FOLLOW-UP information incorporated above includes: On 15-Jun-2021: Significant follow-up, Patient demographic details updated, Treatment drug (Zyrtec) indication added, New treatment drug (Prednisone) added, New events added (fatigue, vertigo, disability issues)