Received Dec 2, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HPV9 | HPV (GARDASIL 9) | MERCK & CO. INC. | UNK | Y020588 | — |
| PNC20 | PNEUMO (PREVNAR20) | PFIZER\WYETH | UNK | — | — |
Confirmed patient is not symptomatic; "wrong product administered; inadvertently GARDASIL 9 was administered to a 4 month old male patient instead of PREVNAR 20; This spontaneous report was received from a Nurse Practitioner and refers to a 4-month-old male patient. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. On 18-Nov-2025, the patient was inadvertently vaccinated with one dose of therapy with Human Papillomavirus 9-valent Vaccine, Recombinant (GARDASIL 9) lot #Y020588, expiration date: 11-Aug-2027 (strength, dose number, route, and anatomical location were not provided) for prophylaxis instead of Pneumococcal vaccine conj 20v (CRM197) (PREVNAR 20) (wrong product administered, Interchange of vaccine products). No adverse events reported.