A Long Island man's frightening illness has become a landmark public health case in New York. It was the state's first confirmed Bourbon virus infection, a rare tick-borne disease with no vaccine and no specific treatment. According to CBS News, Michael Larkin was doing yard work at his home in Brookhaven Town when he noticed two lone star ticks attached to his leg. He removed them, but within days, he began feeling sick and went to a local cli…