The Bush administration added SARS to the list of illnesses for which the U.S. government can order quarantines.But most quarantine actions are taken by state and local public-health agencies.

• 虽然布什政府将SARS列入了美国政府可下达隔离令的疾病名单，但当年的大部分隔离行动是由州和地方公共卫生部门执行的。