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The state is the 22nd to report the virus in cows, and the outbreak next door has been linked to 3 human infections, including 1 death.

The free online tool from the University of Minnesota catalogs vaccines, either in the works or already on the market, for dogs, cats, livestock, and poultry.

The detection, found through routine milk testing, brings the number of states with infected dairy herds to 21 and follows Washington's first cases in October.

In past cases, the FDA has cited testing that matched the E coli strain that sickened a hospitalized child to unopened Darwin’s dog food and linked the company’s food to a kitten’s death from Salmonella infection. The cases are part of a yearslong record of recalls, illness reports, and disputes over how the agency regulates raw pet food.