Pigs in Minnesota may have tested positive for H1N1 virus - KWWL - Eastern Iowa Breaking News, Weather, Closings

Pigs in Minnesota may have tested positive for H1N1 virus

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WASHINGTON (KWWL) -  Pigs in Minnesota may have tested positive for the H1N1 virus in a preliminary test, the first potential U.S. cases in swine.

Agriculture Department officials cautioned that further tests were needed to confirm that the pigs had been infected with H1N1. Officials say that the pigs did not exhibit signs of sickness and may have been exposed to a group of children who had contracted the swine flu virus.

Samples from the pigs that may have tested positive were collected at the Minnesota State Fair between Aug. 26 and Sept. 1. USDA officials did not say how many pigs may have tested positive.

Agriculture Secretary Tom Vilsack says testing is under way and results should be available in a matter of days. He says the USDA is working with the Centers for Disease Control and Prevention.

Meanwhile, the Centers for Disease Control says ten more states, for a total of 37, now have widespread H1N1 flu.

A week ago, reports suggested that cases might be leveling off and even falling in some areas. But that didn't turn out to be a lasting national trend.

Vaccinations against H1N1 flu began this week and so far, states have ordered 3.7 million doses. Still, demand is exceeding supply.

Online News Director Nate Leding

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