We report a new norovirus GII.4 variant, GII.4 Hong Kong, with low-level circulation in 4 Eurasia countries since mid-2017. Amino acid substitutions in key residues on the virus capsid associated with the emergence of pandemic noroviruses suggest that GII.4 Hong Kong has the potential to become the next pandemic variant.

dx.doi.org/10.3201/eid2701.203351, hdl.handle.net/1765/133064
Emerging Infectious Diseases - (Open Access)
Erasmus MC: University Medical Center Rotterdam

Chan, M.C.-W. (Martin Chi-Wai), Roy, S. (Sunando), Bonifacio, J. (Joseph), Zhang, L.-Y. (Lin-Yao), Chhabra, P. (Preeti), Chan, J.C.M. (Jenny C.M.), … de Graaf, M. (2021). Detection of norovirus variant GII.4 Hong Kong in Asia and Europe, 2017−2019. Emerging Infectious Diseases - (Open Access), 27(1), 289–293. doi:10.3201/eid2701.203351