GRANT CO., Ind. (WISH) - Four people contracted swine flu after visiting the Grant County Agricultural Fair last week, according to state health officials.
Grant County Health Department officials say all individuals visited the fair prior to the illness and at least two had contact with swine.
The State Board of Animal Health found 13 pigs that test positive for the H3N2v strain of the virus, known as swine flu.
Officials are encouraging people to protect themselves from the strain by staying away from pigs or washing hands with soap and water before and after petting or touching any animal.
The Indinaa State Department of Health said human cases of swine flu are rare but are more commonly found among those that work with pigs in barns and livestock exhibits. It cannot be transferred by eating pork or pork products.
The Centers for Disease Control and Prevention said there were 138 cases in Indiana in 2012 and 309 across the United States.
Symptoms include fever, cough, sore throat, chills, headache and muscle aches and can develop one to four days after exposure. The illness can last two to seven days.
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