Joy Dolcini thought the worst of the bird flu was over. She could let her birds out of the barn and stop donning a hazmat suit and disposable booties every time she fed them.
But on Tuesday, bad news popped up on the United States Department of Agriculture website: a new outbreak had infected a half-million birds at a Sonoma County egg-laying operation, uncomfortably close to her Chileno Valley farm.
The outbreak was the fifth…