COVID-19 may have gone undetected in nearly 20,000 adults in HK
07 Jun 2021
byChristina Lau
Almost 20,000 individuals, or about 0.3 percent of Hong Kong’s population, may have had undetected coronavirus disease 2019 (COVID-19), according to a serology study of 4,198 adults conducted by the Chinese University of Hong Kong (CUHK).