New SARS-CoV-2 Omicron Variant with Spike Protein Mutation Y451H, Kilifi, Kenya, March-May 2023. - Mwanga MJ; Lambisia AW; Morobe JM; Murunga N; Moraa E; Ndwiga L; Cheruiyot R; Musyoki J; Mutunga M; Guzman-Rincon LM; Sande C; Mwangangi J; et al. (Emerging infectious diseases, 2023)