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
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
As the range and incidence of valley fever grows, public health officials are struggling to warn visitors of the risk.| Los Angeles Times