国際参加賞受賞講演

[IPA-3] Relative impact of vaccination and prior infection to prevent COVID-19 incidence

*Nicole Ngai Yung Tsang¹, Hau Chi So¹, Benjamin J Cowling¹, Gabriel M Leung¹, Dennis Kai Ming Ip¹ (1. WHO Collaborating Centre for Infectious Disease Epidemiology and Control, School of Public Health, The University of Hong Kong)