The Ohio Department of Agriculture ordered two pigs to be sent home from the Ohio State Fair over concerns about a strain of flu Thursday.
The Department of Agriculture said the pigs tested positive for the H3N2 variant influenza, a strain that can infect both pigs and humans.
The precautions come after 41 people, all but two of them children, were infected with the same type of influenza after contact with pigs at the Butler County Fair last week.
Butler County Health Director Patricia Berg told 10TV News that nearly everyone who was sick was involved with caring for the animals.
Berg said that pigs get flu just like people, and can pass along the virus.
The Ohio Department of Agriculture also added hand washing stations and signs warning people not to bring food or drinks into the swine barn at the Ohio State Fair as an additional safety precaution.
The Ohio Department of Agriculture said it is asking other county fairs to take similar precautions.
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Aug. 1, 2012: State Fair Taking Flu Precautions