Bird flu in California child related to virus in dairy cows, CDC says The Washington PostRise in Avian Flu Cases Amplifies Concerns About Consolidation in Agriculture InsideClimate NewsTechnical Update: Summary Analysis of the Genetic Sequence of a Highly Pathogenic Avian Influenza A(H5N1) Virus Identified in a Child in California CDCGenetic analysis finds H5N1 in California child most similar to cattle genotype University of Minnesota Twin Cities