School of Health Management and Education;
Capital University of Medical Sciences;
Beijing 100054;
China;
School of Public Health;
Peking University;
Beijing 100083;
China;
Capital University of Medical Sciences & Beijing Municipal Health Bureau;
Beijing 100054;
China;
Beijing Municipal Centers for Disease Prevention and Control;
Beijing 100013;
China;
急性呼吸综合症; 北京; 病理机制; SARS; 流行病学;