Swine flu is making a comeback as a new strain of the virus has begun spreading, with more than 100 U.S. cases reported this year, according to the Centers for Disease Control and Prevention. The surprising culprit? State and county fairs. And doctors warn it has become much easier to transmit among humans...
.."This time of the year is the time when you have fairs around the country ... thousands of them," Bresee told CNN. "That accounts for the increased transmission more than anything else."
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