Received Nov 12, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| PNC21 | PNEUMO (CAPVAXIVE) | MERCK & CO. INC. | UNK | Z007870 | — |
No additional adverse event; inadvertent administration of CAPVAXIVE to a set of 2 month old twins. Caller states both children were supposed to receive their first dose of VAXNEUVANCE and the CAPVAXIVE was inadvertently administered; This spontaneous report was received from a Nurse and refers to a 2-month-old female patient. The patient's medical history, concurrent conditions, concomitant therapies, past drug reactions and allergies were not reported. On 23-OCT-2025, the patient was inadvertently vaccinated with Pneumococcal 21-valent Conjugate Vaccine (CAPVAXIVE) prefilled syringe, administered as prophylaxis (lot number Z007870 has been verified to be valid for Pneumococcal 21-valent Conjugate Vaccine [CAPVAXIVE], expiration date 23-OCT-2026; dose, route of administration and anatomical site of injection were not provided), when she was supposed to receive the first dose of Pneumococcal 15-valent Conjugate Vaccine (VAXNEUVANCE), prefilled syringe, indicated as prophylaxis (Wrong product administered). No additional details were provided, and no additional adverse event was reported for the patient. This is one of two reports received from the same reporter.