Bird flu is spreading rapidly in California; infected herds double over weekend Ars TechnicaThousands of turkeys killed in Merced County as officials battle avian flu outbreak Fresno Bee‘We are not testing enough’: new US bird flu cases stoke fears over poor response The Guardian USAvian flu outbreak devastates Michigan dairy Farm ProgressNumber of California dairy herds infected with H5N1 bird flu rises to 17 Yahoo! Voices