2 months later / only administered the lyophilized powder mixed with normal saline; Inappropriate dose of vaccine administered; received the 1st dose of adjuvant suspension only / 2 months later / only administered the lyophilized powder mixed with normal saline/ HCP mixed the adjuvant portion with saline solution; received the 1st dose of adjuvant suspension only / 2 months later / only administered the lyophilized powder mixed with normal saline; This case was reported by a other health professional via sales rep and described the occurrence of inappropriate preparation of medication in a patient who received Herpes zoster (Shingrix) for prophylaxis.   Co-suspect products included Herpes zoster (Shingrix) for prophylaxis.   In April 2021, the patient received the 1st dose of Shingrix. In June 2021, the patient received the 2nd dose of Shingrix. In April 2021, unknown after receiving Shingrix and not applicable after receiving Shingrix, the patient experienced inappropriate preparation of medication and inappropriate dose of vaccine administered. In June 2021, the patient experienced wrong solution used in drug reconstitution and inappropriate dose of vaccine administered. On an unknown date, the outcome of the inappropriate preparation of medication, inappropriate dose of vaccine administered, wrong solution used in drug reconstitution and inappropriate dose of vaccine administered were unknown.  Additional details were provided as follows: The age at vaccination was not reported. The medical assistant stated that, the patient received the 1st dose of adjuvant suspension only, which led to inappropriate preparation of medication and inappropriate dose of vaccine administered. The patient went back 2 months later and only received the lyophilized powder mixed with normal saline, which led to wrong solution used in drug reconstitution and inappropriate dose of vaccine administered. No adverse events reported by patient. The reporter consented to follow up. This case is one of 9 linked cases, reported by same reporter for different patients (both male and female patients involved).   Follow up information received from sales representative on 25 June 2021: The reporter stated that, the health care professional mixed the adjuvant portion with saline solution and administrated it as a first dose and later reconstituted the powder portion with saline solution as second dose. The event inappropriate preparation of medication for 1st dose updated to wrong solution used in drug reconstitution as stated that the health care professional mixed the adjuvant portion with saline solution. The reporter did not know exact date, patient's involved and outcome.  No further events were reported. The reporter consented to follow up; Sender's Comments:  US-GLAXOSMITHKLINE-US2021AMR138546:Same reporter US-GLAXOSMITHKLINE-US2021AMR138553:Same reporter US-GLAXOSMITHKLINE-US2021AMR138554:Same reporter US-GLAXOSMITHKLINE-US2021AMR138555:Same reporter US-GLAXOSMITHKLINE-US2021AMR138556:Same reporter US-GLAXOSMITHKLINE-US2021AMR138557:Same reporter US-GLAXOSMITHKLINE-US2021AMR138558:Same reporter US-GLAXOSMITHKLINE-US2021AMR138559:Same reporter US-GLAXOSMITHKLINE-US2021138628:FU1 deleted