The issue of air quality and lung cancer in China is more life-threatening than the SARS virus outbreak of 2003, according to a respiratory disease expert.
Zhong Nanshan of the Chinese Academy of Engineering speaks during the Guangdong delegation's group meeting during the annual National People's Congress in Beijing. Lintao Zhang/Getty Images
The issue of air quality and lung cancer in China is more life-threatening than the SARS virus outbreak of 2003, according to a respiratory disease expert.