NS2A V89F mutation in a DENV1 clinical isolate enhances neurotropism and neuroinvasion - Yuqi Zhao; Linqing Wang; Yifan Lin; Yangyang Chen; Yan Zhan; Kexin Xi; Yingfang Liu; Chenguang Shen; Bao Zhang; Weiwei Xiao; Qinghua Wu; Li Zhu; et al. (Frontiers in Cellular and Infection Microbiology, 2026)