| http://www.w3.org/ns/prov#value | - At a public meeting in Alexandria, Virginia, last week, the US Department of Agriculture reported that a test developed by IGEN International of Gaithersburg, Maryland??which is four times as sensitive as previous tests??found E. coliO157:H7 in half the cattle being fattened up during ...To continue reading this article, subscribe to receive access to all of newscientist.com, including 20 years of
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