"We have built up strict surveillance measures for people who are working in zoos, poultry farms and the poultry transportation sectors to prevent human infection," Xiong Yuanda, an official of Guangzhou health bureau, said.
People should not touch live poultry to prevent becoming infected with bird flu, medical expert Zhong Nanshan said.
Experts fear the H5N1 virus will mutate into a form that allows for human-to-human transmission and spark a pandemic.
(China Daily March 18, 2008)