Federal scientists are closely studying H5N1 genetic sequences from California dairy workers in search of any dangerous ...
California health officials yesterday announced the state's second H5N1 avian flu infection in a dairy farm worker who had no ...
UPDATE: Two cases of human bird flu have now been confirmed in California, the state department of health reported around ...
California health officials said the workers were employed ... Across the U.S., more than 250 dairy herds have been ...