The U.S. Department of Agriculture announced Friday that it will sample the nation's milk supply to test for the H5N1 bird flu virus.| Los Angeles Times
State officials say two dairy workers in the Central Valley have contracted H5N1 bird flu. They say the risk of infection remains low for the general population.| Los Angeles Times
The circumstances and positive testing of a raw milk sample in California don't make sense, say experts. Something is amiss.| Los Angeles Times
Dairies say the USDA relief money helped them sustain operations as bird flu decimated milk production, but critics say the aid perpetuates industrial farming practices that make herds vulnerable to disease.| Los Angeles Times
Despite assurances from the federal government that bird flu will be eradicated from dairy cows, some experts worry the disease is here to stay.| Los Angeles Times
A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working with infected livestock.| Los Angeles Times
A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples collected from Nevada dairy herds.| Los Angeles Times
New research and discussions with dairy farmers in the Central Valley suggests H5N1 bird flu is more widespread among people than the reported numbers indicate.| Los Angeles Times
As officials attempt to determine the extent of bird flu outbreaks among dairy herds, some experts are urging that wastewater surveillance begin immediately.| Los Angeles Times
Although California dairy farmers anticipated a bird flu mortality rate of less than 2%, some say between 10% and 15% of infected cattle are dying.| Los Angeles Times
Poultry producers, disease experts and government officials are now questioning the practice of widespread culling in response to H5N1 bird flu outbreaks.| Los Angeles Times
A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new strain that makes it more lethal in mammals.| Los Angeles Times
A new strain of bird flu — H7N9 — is detected in at a poultry farm; scientists learn that past human flu exposure may provide some immunity to H5N1.| Los Angeles Times
A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say could not only make the virus more lethal, but increase its spread between mammals and possibly humans.| Los Angeles Times
Their symptoms were mild, and included common "flu-like" respiratory symptoms and conjunctivitis, or pink eye. None of the workers were hospitalized.| Los Angeles Times
As the avian flu continues to threaten poultry farms and wildlife, are factory farms a sitting duck?| Los Angeles Times