Chest pressure/felt like someone had put a hand on her sternum; Shortness of breath; Felt funny in my head, maybe dizziness; felt like someone had put a hand on my sternum and was pushing/Funny feeling in head like brain fog; Chills; Patient felt very tired and fatigued easily for about a week; This spontaneous case was reported by a consumer and describes the occurrence of CHEST DISCOMFORT (Chest pressure/felt like someone had put a hand on her sternum), DYSPNOEA (Shortness of breath), DIZZINESS (Felt funny in my head, maybe dizziness), FEELING ABNORMAL (felt like someone had put a hand on my sternum and was pushing/Funny feeling in head like brain fog) and CHILLS (Chills) in a 60-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 027L20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included Mitral valve prolapse in 1992 and Breast cancer on 05-Mar-2013. Concurrent medical conditions included Drug allergy (Oxycodone), Drug allergy (Fentanyl), Drug allergy (Litrzole), Insect bite NOS, Asthma since 1992 and Fibromyalgia since 1992. Concomitant products included LISINOPRIL, TAMOXIFEN, ACETYLSALICYLIC ACID (BABY ASPIRIN), GARLIC [ALLIUM SATIVUM], CALCIUM CITRATE, MAGNESIUM, VITAMIN D NOS, MULTIVITAMIN [VITAMINS NOS], FISH OIL and ALBUTEROL [SALBUTAMOL] for an unknown indication.    On 08-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 08-Jan-2021, the patient experienced CHEST DISCOMFORT (Chest pressure/felt like someone had put a hand on her sternum), DYSPNOEA (Shortness of breath), DIZZINESS (Felt funny in my head, maybe dizziness), FEELING ABNORMAL (felt like someone had put a hand on my sternum and was pushing/Funny feeling in head like brain fog), CHILLS (Chills) and FATIGUE (Patient felt very tired and fatigued easily for about a week). On 08-Jan-2021, CHEST DISCOMFORT (Chest pressure/felt like someone had put a hand on her sternum), DYSPNOEA (Shortness of breath), DIZZINESS (Felt funny in my head, maybe dizziness), FEELING ABNORMAL (felt like someone had put a hand on my sternum and was pushing/Funny feeling in head like brain fog) and CHILLS (Chills) had resolved. At the time of the report, FATIGUE (Patient felt very tired and fatigued easily for about a week) had resolved.        mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was withdrawn on an unknown date.   For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter considered CHEST DISCOMFORT (Chest pressure/felt like someone had put a hand on her sternum), DYSPNOEA (Shortness of breath), DIZZINESS (Felt funny in my head, maybe dizziness), FEELING ABNORMAL (felt like someone had put a hand on my sternum and was pushing/Funny feeling in head like brain fog), CHILLS (Chills) and FATIGUE (Patient felt very tired and fatigued easily for about a week) to be related.    No treatment medications provided by the reporter.   Most recent FOLLOW-UP information incorporated above includes: On 06-Jul-2021: Significant followup received on 06-JUL-2021. Patient demographics, allergies, medical history, Action taken for dose 2 is updated as withdrawn,  concomitant medications, existing events outcome updated and new events added. Patient fax details and vaccine facility information updated.