Age: 64.0
Sex: M
Vaccine: COVID19
Symptoms: COVID-19 immunisation, Inappropriate schedule of product administration, Interchange of vaccine products, No adverse event
Clinical narrative: Patient has not reported any adverse event.; given booster bivalent booster after one dose of Pfizer; Inadvertently gave Bivalent booster dose to a patient who only had one dose of Pfizer vaccine; Revaccination with different COVID-19 vaccine; This spontaneous case was reported by a nurse and describes the occurrence of INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (given booster bivalent booster after one dose of Pfizer), INTERCHANGE OF VACCINE PRODUCTS (Inadvertently gave Bivalent booster dose to a patient who only had one dose of Pfizer vaccine), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and NO ADVERSE EVENT (Patient has not reported any adverse event.) in a 64-year-old male patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. 021H22A) for COVID-19 prophylaxis.     Previously administered products included for Drug use for unknown indication: Pfizer vaccine on 08-Sep-2022. Past adverse reactions to the above products included No adverse reaction with Pfizer vaccine.    On 11-Nov-2022, the patient received second dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (unknown route) 1 dosage form. On 11-Nov-2022, the patient experienced INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (given booster bivalent booster after one dose of Pfizer), INTERCHANGE OF VACCINE PRODUCTS (Inadvertently gave Bivalent booster dose to a patient who only had one dose of Pfizer vaccine) and COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine). On an unknown date, the patient experienced NO ADVERSE EVENT (Patient has not reported any adverse event.). At the time of the report, INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (given booster bivalent booster after one dose of Pfizer), INTERCHANGE OF VACCINE PRODUCTS (Inadvertently gave Bivalent booster dose to a patient who only had one dose of Pfizer vaccine), COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine) and NO ADVERSE EVENT (Patient has not reported any 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 (Patient has not reported any adverse event.) to be not related. No further causality assessments were provided for INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (given booster bivalent booster after one dose of Pfizer), INTERCHANGE OF VACCINE PRODUCTS (Inadvertently gave Bivalent booster dose to a patient who only had one dose of Pfizer vaccine) and COVID-19 IMMUNISATION (Revaccination with different COVID-19 vaccine).    No concomitant medications were reported.  A nurse in their facility inadvertently gave the bivalent booster dose to a patient on 11-Nov-2022 who only had one dose of Pfizer vaccine (lot number not available, dose was given on 08-Sep-2022).  No treatment information was reported.