incomplete course of vaccination; This non-serious case was reported by a other health professional via call center representative and described the occurrence of incomplete course of vaccination in a 57-year-old female patient who received Herpes zoster (Shingrix) for prophylaxis. Previously administered products included Shingrix (Patient received first dose in 2022). On an unknown date, the patient did not receive the 2nd dose of Shingrix. On an unknown date, an unknown time after receiving Shingrix, the patient experienced incomplete course of vaccination (Verbatim: incomplete course of vaccination). The outcome of the incomplete course of vaccination was unknown. Additional Information: GSK Receipt Date: 28-DEC-2024 Reporter stated that patient received Shingrix vaccine one dose only in 2022 and asked if patient require 1 or 2 doses now. Till the time of reporting, the patient did not receive 2nd dose of Shingrix, which led to incomplete course of vaccination.