Will a new clade of SARS-CoV-2 imported into the community spark a fourth wave of the COVID-19 outbreak in Hong Kong? - Gilman Kit-Hang Siu; Lam-Kwong Lee; Kenneth Siu-Sing Leung; Jake Siu-Lun Leung; Timothy Ting-Leung Ng; Chloe Toi-Mei Chan; Kingsley King-Gee Tam; Hiu-Yin Lao; Alan Ka-Lun Wu; Miranda Chong-Yee Yau; Yvette Wai-Man Lai; Kitty Sau-Chun Fung; et al. (Emerging Microbes and Infections, 2020)