Sex: U
Vaccine: COVID19, COVID19
Symptoms: COVID-19 immunisation, Interchange of vaccine products, No adverse event
Clinical narrative: Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands; Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands; No adverse event; This spontaneous case was reported by a nurse and describes the occurrence of INTERCHANGE OF VACCINE PRODUCTS (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands), COVID-19 IMMUNISATION (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands) and NO ADVERSE EVENT (No adverse event) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. AR9237B) for COVID-19 prophylaxis.    Co-suspect product included non-company product TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) for an unknown indication.    No Medical History information was reported.   On an unknown date, the patient received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form and second dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) 1 dosage form. On an unknown date, received first dose of TOZINAMERAN (PFIZER BIONTECH COVID-19 VACCINE) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient experienced INTERCHANGE OF VACCINE PRODUCTS (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands), COVID-19 IMMUNISATION (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands) and NO ADVERSE EVENT (No adverse event). At the time of the report, INTERCHANGE OF VACCINE PRODUCTS (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands), COVID-19 IMMUNISATION (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessments were provided for INTERCHANGE OF VACCINE PRODUCTS (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands) and COVID-19 IMMUNISATION (Given Moderna brand instead of the Pfizer COVID vaccine on accident, not supposed to mix different brands).    No concomitant medication information was provided.  Reporter stated, they did not have the Pfizer LOT# because they did not get the Pfizer vaccine at office. Patient come in that had received the two dosage of the Pfizer covid vaccine of 6 month-4 years (maroon cap)outside of clinic. They came here for the third dose, which we did not have that dose in office but it was accident so, they received the dose of the Moderna 6 month-5 years as the third dose on accident.  Reporter stated, Well, the Pfizer for that age group was 3 dose series for under 4 so, they had not completed their primary series yet because they had two dosages because they are under age 4.  No treatment information was provided.