Do, H., Nguyen, T., Do, T., Olmsted, A., Trinh, L., Nguyen, D., Huynh, M., Bui, H., Nguyen, V., Tran, K., Vo, T., Nguyen, D., Ton, T., Huynh, D., Gould, P.L. and Moore, M.R. 2022. Systematic sequencing of imported cases leads to detection of SARS-CoV-2 B.1.1.529 (Omicron) variant in central Viet Nam. Western Pacific Surveillance and Response. 13, 4 (Nov. 2022), 4. DOI:https://doi.org/10.5365/wpsar.2022.13.4.977.