USDA identifies new bird flu cases in Pennsylvania, Utah

New cases of bird flu have been detected in a commercial chicken flock in Pennsylvania and a backyard flock in Utah, the U.S. Department of Agriculture said Saturday, in what is one of the worst outbreaks in the country's ...

Study advances understanding of bacterial bioterrorism agent

Vanderbilt researchers have identified a critical regulatory factor in Bacillus anthracis, the bacterium that causes the disease anthrax and has been used as a biological weapon. The findings, reported in the journal Nature ...

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