Received Mar 12, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (RECOMBIVAX HB) | MERCK & CO. INC. | UNK | Z010340 | — |
Pharmacist confirmed the patient did not report any medical concerns regarding this report; They ordered the pediatric version in error and administered the dose to the patient without knowing the difference in strength; Pharmacist stated that on 1/16/2026, a 60-year-old patient was administered a single pediatric dose of RECOMBIVAX HB due to job requirements; This spontaneous report was received from a pharmacist and refers to a 60-year-old patient of unknown gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. It was unknown history with hepatitis B vaccination. On 16-JAN-2026, the patient was vaccinated with a single pediatric dose of Hepatitis B Vaccine (Recombinant) (RECOMBIVAX HB) suspension for injection, 0.5 milliliters (mL) (three dose Series), lot #Z010340 [which has been verified to be a valid lot number for Hepatitis B Vaccine (Recombinant)], expiration date reported and upon internal validation establish as 06-FEB-2028 (route and anatomical site of administration were not provided) administered for prophylaxis, due to job requirements. Pharmacist stated that when they ordered the vaccines, they ordered the pediatric version in error and administered the dose to the patient without knowing the difference in strength (product strength confusion; product administered to patient of inappropriate age). Pharmacist confirmed the patient did not report any medical concerns regarding this report (No adverse event). No additional information provided.