1、 https:/crsreports.congress.gov Updated June 12, 2020COVID-19: Global Implications and ResponsesOverview Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is believed to have emerged in Wuhan, China, in late 2019, and it has since spread around the globe. Confirmed cases of Coronavirus Di
2、sease 2019 (COVID-19) are most numerous in the United States, Russia, and Brazil (Figure 1). As of June 11, 2020, the World Health Organization (WHO) estimated that over 7.4 million people had contracted COVID-19 worldwide, and that over 400,000 people had died from it. WHO declared the outbreak a P
3、ublic Health Emergency of International Concern (PHEIC) on January 30 and labeled it a “pandemic” on March 11. For more information, see CRS Report R46319, Novel Coronavirus 2019 (COVID-19): Q&A on Global Implications and Responses). The Virus Coronaviruses are a large family of zoonotic virusesviru
4、ses transmissible between animals and humansthat can cause illness ranging from the common cold to more severe diseases such as Middle-East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS). According to the U.S. Centers for Disease Control and Prevention (CDC), the most commo
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