Sex: U
Vaccine: COVID19
Symptoms: Incorrect dose administered, No adverse event, Product preparation error
Clinical narrative: instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened; instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened; No adverse event; This spontaneous case was reported by a pharmacist and describes the occurrence of INCORRECT DOSE ADMINISTERED (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened), PRODUCT PREPARATION ERROR (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened) and NO ADVERSE EVENT (No adverse event) in a  patient of an unknown age and gender who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 prophylaxis.     No Medical History information was reported.    On an unknown date, the patient received dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced INCORRECT DOSE ADMINISTERED (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened), PRODUCT PREPARATION ERROR (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened) and NO ADVERSE EVENT (No adverse event). At the time of the report, INCORRECT DOSE ADMINISTERED (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened), PRODUCT PREPARATION ERROR (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Unknown) 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 INCORRECT DOSE ADMINISTERED (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened) and PRODUCT PREPARATION ERROR (instead of mixing the Pfizer Covid vaccine with sodium chloride it got mixed with 1.8ml of the Moderna vaccine and 2 shots were given before they realized what had happened).    No concomitant medication was reported.  No treatment information was provided.  This case was identified as part of a retrospective clean-up activity where certain emails received in the Moderna mailbox were missed to be booked-in.