News and analysis about water quality, air pollution, weather patterns, environmental issues and climate change.| Los Angeles Times
California news and features from the Los Angeles Times.| Los Angeles Times
Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. But a new case in a British Columbia teenager has experts worried.| Los Angeles Times
Valley fever is caused by inhaling spores of coccidioides, a fungal pathogen that thrives in the drier and dustier regions of the state.| Los Angeles Times
Although California dairy farmers had heard about the H5N1 bird flu before it hit, none was prepared for the devastation it would cause in some herds.| Los Angeles Times