she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine; she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine; she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine; This spontaneous case was reported by a physician and describes the occurrence of COVID-19 IMMUNISATION (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine), EXTRA DOSE ADMINISTERED (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine) and INTERCHANGE OF VACCINE PRODUCTS (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine) in a female patient of an unknown age 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 (Dose 1). Past adverse reactions to the above products included No adverse event with Pfizer and Pfizer.   On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form and first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced COVID-19 IMMUNISATION (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine), EXTRA DOSE ADMINISTERED (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine) and INTERCHANGE OF VACCINE PRODUCTS (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine). At the time of the report, COVID-19 IMMUNISATION (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine), EXTRA DOSE ADMINISTERED (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine) and INTERCHANGE OF VACCINE PRODUCTS (she got both doses of the Pfizer vaccine as directed. Then subsequent to that she got 3 doses of the Moderna vaccine So both doses plus a booster. He reports that even though she got 5 doses of vaccine) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Antibody test: (Negative) Negative.     For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter did not provide any causality assessments.   Concomitant product use was not provided by the reporter.  Doctor reports that patient has a condition for which she take a biologic therapy known to suppress the immune system.  Treatment information was not provided.