Severe burning of her chest pain; Severe allergic reaction; Nodule in her lung; Dizziness; Blood pressure went up; Body ache; Headache, light headache /progressed into dizziness and light headache; 102 fever; A little tired; Very sleepy/ progressed into dizziness and light headache; This spontaneous case was reported by a consumer and describes the occurrence of CHEST PAIN (Severe burning of her chest pain) and HYPERTENSION (Blood pressure went up) in a 58-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 023C21A and 036C21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 17-May-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 14-Jun-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 14-Jun-2021, the patient experienced SOMNOLENCE (Very sleepy/ progressed into dizziness and light headache) and FATIGUE (A little tired). On 15-Jun-2021, the patient experienced HYPERTENSION (Blood pressure went up) (seriousness criterion hospitalization). 15-Jun-2021, the patient experienced MYALGIA (Body ache), HEADACHE (Headache, light headache /progressed into dizziness and light headache) and PYREXIA (102 fever). On 17-Jun-2021, the patient experienced CHEST PAIN (Severe burning of her chest pain) (seriousness criterion hospitalization). On an unknown date, the patient experienced HYPERSENSITIVITY (Severe allergic reaction), PULMONARY MASS (Nodule in her lung) and DIZZINESS (Dizziness). The patient was hospitalized from 17-Jun-2021 to 18-Jun-2021 due to CHEST PAIN. The patient was treated with ACETYLSALICYLIC ACID (BABY ASPIRIN) on 17-Jun-2021 at a dose of 1 dosage form; ACETYLSALICYLIC ACID (BABY ASPIRIN) on 17-Jun-2021 at a dose of 1 dosage form; NITROGLYCERIN (sublingual) on 17-Jun-2021 at a dose of 1 dosage form; MORPHINE (intravenous) on 17-Jun-2021 at a dose of 1 dosage form; VALSARTAN ongoing from 17-Jun-2021 at a dose of 1 dosage form and ASPIRIN [ACETYLSALICYLIC ACID] at an unspecified dose and frequency. At the time of the report, CHEST PAIN (Severe burning of her chest pain), HYPERTENSION (Blood pressure went up), HYPERSENSITIVITY (Severe allergic reaction), PULMONARY MASS (Nodule in her lung), DIZZINESS (Dizziness), SOMNOLENCE (Very sleepy/ progressed into dizziness and light headache), MYALGIA (Body ache), HEADACHE (Headache, light headache /progressed into dizziness and light headache), FATIGUE (A little tired) and PYREXIA (102 fever) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 15-Jun-2021, Body temperature: 102 (High) Fever: 102. On 17-Jun-2021, Blood pressure measurement: 210/90 (High) Blood pressure: 210/90. On 17-Jun-2021, Electrocardiogram: abnormal (abnormal) EKG abnormal.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   The patient was not on any medications prior to this and she stated that she was "feeling so great."  On 17-Jun-2021, the patient went to an urgent care due to blood pressure went up and she had severe burning of her chest pain and was sent to the emergency room (ER). They did many tests, including computerized tomogram (CT) scan. She stayed at the hospital overnight and was released the next day. She's seeing a specialist due to nodule in her lung. The patient reported not having any blood pressure problem prior to vaccination, and now she has to take valsartan for the blood pressure.  Action taken with mRNA-1273 in response to the drug was not applicable.  Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.; Sender's Comments: Based on the current available information and temporal association between the use of the product and the start date of the events, a causal relationship cannot be excluded.