Holby City a minimum 50 episodes per series, delivered from December 2017 with no break in transmission and produced from the existing production base at BBC Elstree Centre. BBC Studios was announced as the winning bidder and will continue to produce the show through to 2020. "Holby City" was created by Tony McHale and Mal Young as a spin-off from the BBC medical drama "Casualty", which is set in the emergency department of the fictional Holby City Hospital. Young wanted to explore what happened to patients treated in "Casualty" once they were taken away to the hospital's surgical wards. While "Casualty" scope
Prince of Wales Hospital has treated 139,975 patients in the Accident and Emergency Department, 158,195 inpatients and day-patients, 766,386 specialist outpatients, and 466,390 general outpatients. Besides subsidised public services, the hospital has been providing private specialist outpatient services and private inpatient services since its opening in 1984 in collaboration with the Faculty of Medicine of CUHK. Charged at market rates, the private services are intended for patients who want to have access to the expertise and facilities of the hospital, which may not be available at private hospitals. Private service income is shared between the Hospital Authority, CUHK, and the departments and the doctors