[20200129]IN11212_另一种冠状病毒出现：美国国内对2019年nCoV的回应.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Another Coronavirus Emerges: U.S. Domestic Response to 2019-nCoV Sarah A. Lister Specialist in Public Health and Epidemiology Kavya Sekar Analyst in Health Policy January 29, 2020 The Emergence of 2019-nCoV On December 31, 2019, the World Health Organization (WHO) was informed of a cluster of pneumonia cases in Wuhan, China. Illnesses have since been linked to a previously unidentified strain of coronavirus, designated 2019 novel Coronavirus, or 2019-nCoV. To date, thousands have been infected, mostly in China, and over 100 have died. The disease has spread to several other countries, including the United States. As the scope of the epidemic widened in China, the U.S. Centers for Disease Control and Prevention (CDC) stated on January 27, 2020, that “the immediate health risk from the new virus to the general American public is low currently.” With the situation rapidly changing, both WHO and CDC post frequent updates. Coronaviruses (see Figure 1) are common respiratory pathogens, usually causing mild illnesses such as the common cold. The global health community is closely monitoring 2019-nCoV because of