Patient tested positive for COVID, 2 months ago after receiving her 1st booster dose of the Moderna COVID-19 Vaccine; This spontaneous case was reported by a pharmacist and describes the occurrence of COVID-19 (Patient tested positive for COVID, 2 months ago after receiving her 1st booster dose of the Moderna COVID-19 Vaccine) in a 50-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis.     Previously administered products included for Product used for unknown indication: Pfizer (Dose 2) and PFIZER BIONTECH COVID-19 VACCINE (Dose 1). Past adverse reactions to the above products included No adverse event with PFIZER BIONTECH COVID-19 VACCINE and Pfizer.    On 05-Nov-2021, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced COVID-19 (Patient tested positive for COVID, 2 months ago after receiving her 1st booster dose of the Moderna COVID-19 Vaccine). At the time of the report, COVID-19 (Patient tested positive for COVID, 2 months ago after receiving her 1st booster dose of the Moderna COVID-19 Vaccine) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, SARS-CoV-2 test: (Positive) Positive.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Patient receive the first booster dose  No concomitant medication information was provided. No treatment medication were provided  Company comment: This spontaneous case concerns a 50 year old female patient with no reported medical history who experienced the unexpected non-serious adverse event of special interest COVID-19 which occurred at an unknown interval after receiving the third dose of mRNA1273. It should be noted that the patient received 2 doses of different COVID-19 Vaccine (Pfizer Biontech) at an unspecified date prior to the latest dose of mRNA1273. The reporter stated that the patient tested positive for SARS-COV2 approximately 2 months after receiving the booster dose. Further details regarding the clinical course, additional diagnostic or imaging test done and treatment were not provided. The ongoing pandemic of COVID-19 remain as a confounder in this case. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.; Sender's Comments: This spontaneous case concerns a 50 year old female patient with no reported medical history who experienced the unexpected non-serious adverse event of special interest COVID-19 which occurred at an unknown interval after receiving the third dose of mRNA1273. It should be noted that the patient received 2 doses of different COVID-19 Vaccine (Pfizer Biontech) at an unspecified date prior to the latest dose of mRNA1273. The reporter stated that the patient tested positive for SARS-COV2 approximately 2 months after receiving the booster dose. Further details regarding the clinical course, additional diagnostic or imaging test done and treatment were not provided. The ongoing pandemic of COVID-19 remain as a confounder in this case. The benefit-risk relationship of mRNA-1273 vaccine is not affected by this report.