Researching swine flu has led to changes in how pigs are kept at county and state fairs across the Midwest.
Hoosier hog farmers have been expressing concerns after two hogs tested positive for swine flu at the Clinton County, Ohio fair last week.
The swine flu is the same strain that caused a pandemic and killed 40 people in Indiana in 2009.
Health officials say remember common safe hygiene practices when you pick up your favorite fair food and then head to the livestock barns.
The number of cases of swine flu in the state is the same, even as more counties show evidence of the disease.
Pigs are back at the state fair after being removed because of swine flu concerns.
More than 70 Monroe County residents are now infected with the virus.
State officials say they still haven't confirmed any human-to-human transmission of the disease.
Health officials have confirmed cases of influenza A in humans, but they say people should not worry about an epidemic.
Officials say there's no evidence the flu has been transmitted between people.