Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...
A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.
There has not been a confirmed case of human bird flu in Tulare County since Dec. 10, according to the Tulare County Health & Human Services Agency.