A US military laboratory based in Utah is under investigation after mistakenly sending live anthrax bacteria to nine commercial labs and an air base in South Korea.<br /><br /> The shipments which were part of a military research project continued for a full year before the error was noticed.<br /><br /> The US Centers for Disease Control and Prevention claims no one was at risk although four people have been started on preventative measures.<br /><br /> When anthrax becomes airborne, it can cause a deadly illness.That occurred in 2001, when anthrax sent through the US mail to government and media targets killed five people.<br /><br /> The mishap comes 11 months after scores of CDC employees were potentially exposed to live anthrax spores when the Center similarly mishandled samples..
