Age: 69.0
Sex: M
Vaccine: COVID19, COVID19-2
Symptoms: Inappropriate schedule of product administration, No adverse event
Clinical narrative: No Adverse Event; HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21Oct2022 accidentally received another bivalent booster from Moderna on 20Feb2023.; This spontaneous case was reported by an other health care professional and describes the occurrence of EXTRA DOSE ADMINISTERED (HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21Oct2022 accidentally received another bivalent booster from Moderna on 20Feb2023.) and NO ADVERSE EVENT (No Adverse Event) in a 69-year-old male patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. AS7138B) for COVID-19 prophylaxis.     The patient's past medical history included Heart failure. Previously administered products included for Product used for unknown indication: PFIZER BIONTECH COVID-19 VACCINE (COVID-19 Bivalent booster Lot: GH9702) on 21-Oct-2022. Past adverse reactions to the above products included No adverse event with PFIZER BIONTECH COVID-19 VACCINE. Concurrent medical conditions included Blood pressure high, COPD and Coronary artery disease.    On 20-Feb-2023, the patient received sixth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) .5 milliliter. On 20-Feb-2023,  after starting mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)), the patient experienced EXTRA DOSE ADMINISTERED (HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21Oct2022 accidentally received another bivalent booster from Moderna on 20Feb2023.). On an unknown date, the patient experienced NO ADVERSE EVENT (No Adverse Event). At the time of the report, EXTRA DOSE ADMINISTERED (HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21Oct2022 accidentally received another bivalent booster from Moderna on 20Feb2023.) and NO ADVERSE EVENT (No Adverse Event) outcome was unknown.        For mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Unknown), the reporter considered NO ADVERSE EVENT (No Adverse Event) to be not related. No further causality assessment was provided for EXTRA DOSE ADMINISTERED (HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21Oct2022 accidentally received another bivalent booster from Moderna on 20Feb2023.).    It was unknown if patient was under any concomitant or regular medications. Patient had received 1st dose on 27-Apr-2021 lot: EW0172, 2nd dose on 18-May-2021 lot: EW0182, 1st booster on 21-Jan-2022 lot: FL3198, 2nd booster on 20-Jul-2022. lot: 054A22A.  HCP stated a patient who previously received a COVID-19 Bivalent booster from Pfizer on 21-Oct-2022 accidentally received another bivalent booster from Moderna on 20-Feb-2023. No treatment information was reported.   This case was linked to MOD-2023-712578 (Patient Link).   Reporter did not allow further contact