Detection and molecular characterization of emergent GII.P17/GII.17 Norovirus in Brazil, 2015 |
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| Affiliation: | 1. Oswaldo Cruz Foundation, Rio de Janeiro, Brazil;2. State University of Rio de Janeiro, Rio de Janeiro, Brazil;1. Guangdong Institute of Microbiology, State Key Laboratory of Applied Microbiology Southern China, Guangzhou 510070, PR China;2. Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangzhou 510070, PR China;1. Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan;2. Department of Developmental Medical Sciences, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;3. Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand;1. Faculty of Public Health, Chiang Mai University, Chiang Mai, Thailand;2. Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan;3. Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan;4. Department of Developmental Medical Sciences, School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;5. Akita Prefectural Research Center for Public Health and Environment, Akita, Japan;6. Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan;7. Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand |
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| Abstract: | A newly GII.17 Kawazaki_2014 variant strain was detected recently in Brazil. Phylogenetic analysis reveals at least four independent introduction events of this lineage into this country that took place throughout 2014, coinciding with FIFA World Cup in Brazil, 2014, and Hong Kong has been identified as the most likely source of introduction. This variant emerged in Asia causing outbreaks and replacing prevalent GII.4. Emergence of GII.P17/GII.17 variant emphasizes the need for active laboratory surveillance for NoV including molecular epidemiology and studies on virus evolution. |
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