Received Oct 2, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HBHEPB | HIB + HEP B (COMVAX) | MERCK & CO. INC. | 3 | Z003263 | — |
No adverse effects; inadvertent early administration of the 3rd (booster) dose of PEDVAXHIB to a 6 month 7 day old male infant.; This spontaneous report was received from a nurse regarding a 6-month-old male patient. The patient's medical history, concurrent conditions, and concomitant therapies were not reported. On 30-SEP-2025, at 6 months old, the patient was vaccinated inadvertently with the third (booster) dose of Haemophilus b Conjugate Vaccine (Meningococcal Protein Conjugate) (LIQUID PEDVAX HIB) Injection, 0.5 mL administered as prophylaxis (lot number reported as Z003263, which has been verified as valid, expiration date reported and validated as 07-OCT-2027) (route of administration and anatomical site of injection were not reported). The infant was not to receive the booster dose until a minimum age of 12 months (Inappropriate schedule of vaccine administered). No adverse effects were reported.