Chan Higher Viral Load of Emerging Norovirus GII.P16-GII.2 than Pandemic GII.4 and Epidemic GII.17, Hong Kong, China. Sarah K.C. Cheung, Kirsty Kwok, Lin-Yao Zhang, Kirran N. Mohammad, Grace Lui, Nelson Lee, E. Anthony S. Nelson, Raymond Lai, Ting Fan Leung, Paul K.S. Chan,...