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
Bejon P
Ochola-Oyier LI
Nokes DJ
Agoti CN
Nyiro J
Githinji G
Emerg Infect Dis. 2023;292376-2379
We report a newly emerged SARS-CoV-2 Omicron subvariant FY.4 that has mutations Y451H in spike and P42L in open reading frame 3a proteins. FY.4 emergence coincided with increased SARS-CoV-2 cases in coastal Kenya during April-May 2023. Continued SARS-CoV-2 genomic surveillance is needed to identify new lineages to inform COVID-19 outbreak prevention.