Diarrhea; Sensation of throat closing; Whzeeing; Doctor advised no 2nd dose; Fever; Unable to work; Cough; Dizziness; Vomiting; Nausea; Allergic reaction 1 hour after First Shot; Chest Pain; Short breath / Still suffer from shortness of breath; migraine; This spontaneous case was reported by a consumer and describes the occurrence of ALLERGY TO VACCINE (Allergic reaction 1 hour after First Shot), CHEST PAIN (Chest Pain), DYSPNOEA (Short breath / Still suffer from shortness of breath), MIGRAINE (migraine) and DIZZINESS (Dizziness) in a 49-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 022B21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Concussion. Concurrent medical conditions included Migraine.    On 19-Jul-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 19-Jul-2021, the patient experienced ALLERGY TO VACCINE (Allergic reaction 1 hour after First Shot), CHEST PAIN (Chest Pain), DYSPNOEA (Short breath / Still suffer from shortness of breath), MIGRAINE (migraine), VOMITING (Vomiting) and NAUSEA (Nausea). On 11-Aug-2021, the patient experienced DIZZINESS (Dizziness) and COUGH (Cough). On an unknown date, the patient experienced LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Unable to work), DIARRHOEA (Diarrhea), THROAT TIGHTNESS (Sensation of throat closing), WHEEZING (Whzeeing), INTENTIONAL DOSE OMISSION (Doctor advised no 2nd dose) and PYREXIA (Fever). The patient was treated with MELOXICAM at a dose of 1 UNK; PARACETAMOL (TYLENOL) at a dose of 1 dosage form; ZOLMITRIPTAN for Migraine, at a dose of 1 dosage form; DIPHENHYDRAMINE HYDROCHLORIDE (BENADRYL [DIPHENHYDRAMINE HYDROCHLORIDE]) at a dose of 1 dosage form and IPRATROPIUM BROMIDE (nasal) ongoing from 30-Jul-2021 at a dose of 1 dosage form. On 11-Aug-2021, MIGRAINE (migraine) had resolved. At the time of the report, ALLERGY TO VACCINE (Allergic reaction 1 hour after First Shot), CHEST PAIN (Chest Pain), DYSPNOEA (Short breath / Still suffer from shortness of breath), LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (Unable to work), DIARRHOEA (Diarrhea), THROAT TIGHTNESS (Sensation of throat closing), WHEEZING (Whzeeing), PYREXIA (Fever), VOMITING (Vomiting) and NAUSEA (Nausea) outcome was unknown, DIZZINESS (Dizziness) and COUGH (Cough) had not resolved and INTENTIONAL DOSE OMISSION (Doctor advised no 2nd dose) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 19-Jul-2021, Body temperature: 99 (High) High. On 20-Jul-2021, Body temperature: 101 (High) High. On 21-Jul-2021, Body temperature: 99 (High) High. On 22-Jul-2021, Body temperature: 99 (High) High. On 23-Jul-2021, Body temperature: 100 (High) High.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Other Diagnostic results: On an unknown date, EKG-abnormal, possible myocarditis. On an unknown date, Heart rate: Low PR levels.. On an unknown date, SARS-CoV-2 test:  Negative.  No concomitant medications were reported.  Reporter mentioned that doctor denied/ordered no 2 nd dose.   Most recent FOLLOW-UP information incorporated above includes: On 11-Aug-2021: Significant follow-up appended, patient demographic details added, lab data added, treatment medications added, new events added. On 19-Aug-2021: Follow up received contains no new information