An investigation into anthrax exposure at UCLA finds other lab safety issues . But he added that he is `` upset '' and `` angry '' and has lost sleep over the incidents , and he is `` working around the clock '' to make sure it never happens again . The investigation concluded no lab workers were infected with anthrax . The CDC spokesperson is ` ` upset '' and ` ` angry '' that it happened .
An investigation into anthrax exposure at UCLA finds other lab safety issues . The investigation concluded no lab workers were infected with anthrax . The CDC spokesperson is ` ` upset '' and ` ` angry '' that it happened .