Study Tries To Detect Flu Before The First Sneeze; Duke University Scientists Trying to Develop Blood Test to Determine Who Will Get Sick

WASHINGTON (AP) -- Coughed on by somebody with the flu? Duke University researchers are developing a test to determine - with a mere drop of blood - who will get sick before the sniffling and fever set in. And they’re turning to hundreds of dorm-dwelling freshmen this fall to see if it works.