patient received only the liquid adjuvant portion of Shingrix; patient received only the liquid adjuvant portion of Shingrix; This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate preparation of medication in a 56-year-old male patient who received Herpes zoster (Shingrix) (batch number GA99K) for prophylaxis. On 15-JAN-2025, the patient received Shingrix. On 15-JAN-2025, an unknown time after receiving Shingrix, the patient experienced inappropriate preparation of medication (Verbatim: patient received only the liquid adjuvant portion of Shingrix) and inappropriate dose of vaccine administered (Verbatim: patient received only the liquid adjuvant portion of Shingrix). The outcome of the inappropriate preparation of medication and inappropriate dose of vaccine administered were unknown. Additional Information: GSK Receipt Date: 21-JAN-2025 The nurse reported that a patient received only the liquid adjuvant portion of Shingrix vaccine, which led to inappropriate preparation of medication and inappropriate dose of vaccine administered At the time of reporting a repeat dose had not yet been administered.