First Cases Of Brazilian And More Contagious South African Covid-19 Variants Detected In Los Angeles; U.K. Variant Surges DeadlineLA County Confirms First Case Of South African COVID-19 Variant, First 3 Cases Of Brazilian Variant CBS Los AngelesBrazil detects first case of South African variant as COVID-19 deaths soar ReutersDoctor: Getting COVID-19 vaccine important with new variants in Kansas, Missouri KMBC 9L.A.