A woman accompanies a boy to get onto an ambulance to leave a hotel where some students of a primary school running a fever are quarantined in Chaoyang district of Beijing, July 1, 2009. Beijing reported Wednesday its first mass infection of the A(H1N1) flu at the Nanhuzhongyuan Primary School with seven pupils between 8 and 10 years old being confirmed infected with the virus. [CFP]