When Patrick Henshaw's son became sick last Friday, little did he know that the 18-year-old had acquired a potentially deadly disease that made its way across the U.S.-Mexico border -- the swine flu.
"It started out where he was sick earlier in the week. Then there was a message ... from the superintendent of our school that two children had tested positive for the swine flu virus, so ... we had him tested for that. And they said, 'Oh my gosh, he tested positive,'" Henshaw told ABC News.
Hayden Henshaw is one of three students at Byron Steele High School in Schertz, Texas, who acquired the virus. Two were diagnosed earlier this month. Henshaw believes the virus came from Mexico to San Antonio, where the ongoing annual fiesta draws hundreds of people from around Texas.
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