AN escape of lab monkeys on a Pennsylvania highway has sparked fears of a virus outbreak after a woman who came into contact with them later fell ill. Michelle Fallon stopped to help after a truck carrying 100 cynomolgus macaques crashed on Interstate 80, spilling animal crates across the tarmac. State troopers said four of the primates were on the loose and warned the public not to try to catch them on Friday evening. They have all since been accounted for. Now it has emerged a passerby who was at the scene is being treated for symptoms of an unknown...