Officials from the Centre for Food Safety take chickens out from cages on a truck from mainland China at a border checkpoint in Hong Kong April 11, 2013.
Officials from the Centre for Food Safety take chickens out from cages on a truck from mainland China at a border checkpoint in Hong Kong April 11, 2013. New rapid tests for the H7N9 bird flu strain have come into effect on Thursday at the border on live poultry being brought into Hong Kong, according to a government radio report. (© Bobby Yip / Reuters)