Vaccination failure; She tested positive for COVID, and She says that she was having very mild symptoms like congestion and achiness; Started having chest discomfort; This spontaneous case was reported by a consumer and describes the occurrence of CHEST DISCOMFORT (Started having chest discomfort), VACCINATION FAILURE (Vaccination failure) and COVID-19 (She tested positive for COVID, and She says that she was having very mild symptoms like congestion and achiness) in a 54-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 013M20A and 013L20A) for COVID-19 vaccination.     The patient's past medical history included Open heart surgery (when she was 5, but that issue was resolved and she has not had any problems in decades.). Concomitant products included MULTIVITAMIN [VITAMINS NOS], IRON and CALCIUM for an unknown indication.   On 20-Jan-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 19-Feb-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 17-Mar-2021, the patient experienced CHEST DISCOMFORT (Started having chest discomfort). On 06-Nov-2021, the patient experienced VACCINATION FAILURE (Vaccination failure) and COVID-19 (She tested positive for COVID, and She says that she was having very mild symptoms like congestion and achiness). On 19-Mar-2021, CHEST DISCOMFORT (Started having chest discomfort) had resolved. At the time of the report, VACCINATION FAILURE (Vaccination failure) and COVID-19 (She tested positive for COVID, and She says that she was having very mild symptoms like congestion and achiness) had resolved.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 17-Mar-2021, Blood test: normal (normal) all test results came back as normal.. On 17-Mar-2021, Chest X-ray: normal (normal) all test results came back as normal.. On 17-Mar-2021, Electrocardiogram: normal (normal) all test results came back as normal.. On 17-Mar-2021, Exercise electrocardiogram: normal (normal) all test results came back as normal.. On 17-Mar-2021, Myocardial necrosis marker: normal (normal) all test results came back as normal.. On 06-Nov-2021, COVID-19: positive (Positive) Positive.         Patient reported that started experiencing chest discomfort which prompted to go to the ER. describes it simply as chest discomfort and not pain Treatment information was not reported.  Company Comment: This is an Spontaneous case concerning a 54-year-old female patient, with no relevant medical history reported, who experienced the non-serious unexpected AESI of COVID-19, approximately 9 months and 18 days after the administration of the second dose of the mRNA-1273 vaccine. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This is an Spontaneous case concerning a 54-year-old female patient, with no relevant medical history reported, who experienced the non-serious unexpected AESI of COVID-19, approximately 9 months and 18 days after the administration of the second dose of the mRNA-1273 vaccine. The benefit-risk relationship of the mRNA-1273 vaccine is not affected by this report.