Emerging Enterovirus A71 Subgenogroup B5 Causing Severe Hand, Foot, and Mouth Disease, Vietnam, 2023
Nguyễn Văn Vĩnh Châu, Tang Chi Thuong, Nguyễn Thanh Hùng, Nguyen Thi Thu Hong, Dư Tuấn Quy, T Thien, Cao Minh Hiep, Ngo Ngọc Quang Minh, Truong Huu Khanh, Do Duong Kim Han, Truong Hoang Chau Truc, Nguyen Thi Han Ny, Le Kim Thanh, Lam Anh Nguyet, Cao Thu Thuy, Le Nguyen Truc Nhu, Pham Van Quang, Phung Nguyen The Nguyen, Phan Tu Qui, H. Rogier van Doorn, Louise Thwaites, Tran Tan Thanh, Nguyen Thanh Dung, Guy Thwaites, Nguyen To Anh, Le Nguyen Thanh Nhan, Le Van Tan, for the SEACOVARIANTS1
Abstract
We report on a 2023 outbreak of severe hand, foot, and mouth disease in southern Vietnam caused by an emerging lineage of enterovirus A71 subgenogroup B5. Affected children were significantly older than those reported during previous outbreaks. The virus should be closely monitored to assess its potential for global dispersal.