Yuk Ching is a PhD student in Epidemiology and Biostatistics at the School of Public Health, University of Hong Kong. His research focuses on population immunity to infectious diseases, including antibody profiles, serological evidence of infection, and quantitative analyses. He is particularly interested in the epidemiology of emerging pathogens and immune responses, such as antibody dynamics following infections and vaccinations. Yuk Ching holds a bachelor’s degree and an MPH from the Chinese University of Hong Kong, with a strong commitment to advancing public health through his work.