WASHINGTON California Gov. Gavin Newsom declared Wednesday that an outbreak of the H5N1 bird flu virus within the state's dairy cattle constitutes an emergency as the contagion continued to spread. Bird flu has been detected in cattle in 16 states after it was first identified in stocks in Texas and Kansas in March this year. While no person-to-person transmission has been detected, Newsom's office said "nearly all" individuals who were ...