California
Two California dairy workers were infected with bird flu, latest human cases in US
Two dairy workers in California were infected with bird flu, the 15th and 16th human cases detected in the U.S. this year.
FILE - In this photo provided by the U.S. Department of Agriculture, an animal caretaker collects a blood sample from a dairy calf vaccinated against bird flu in a containment building at the National Animal Disease Center research facility in Ames, ... [1879 chars]