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以下是美国疾控中心（CDC）的最新COVID-19报告：
在美国许多地区COVID-19确诊病例仍在上升，过去7天新增病例超过120万。
美国疾控中心最新的COVIDView报告显示，本周用于追踪COVID-19相关疾病蔓延的全国措施与上周相比有所下降或保持稳定。更多内容：https://bit.ly/2ViFflZ.
美国疾控中心的最新发病率和死亡率周报（MMWR）报告显示，COVID-19抗原检测既快速又便宜，但有时需要进行第二次检测才能确认结果。更多内容：https://bit.ly/MMWR123120.
根据临床试验，美国现有新冠肺炎疫苗的有效性超过90%，是阻止疫情的重要工具。
特朗普总统于12月8日签署了确保获得美国政府新冠肺炎疫苗的行政命令。这份行政命令指示美国为国际上获得安全有效的新冠肺炎疫苗提供便利。
These are the latest COVID-19 reports from the U.S. Centers for Disease Control (CDC):
COVID-19 cases are still rising in many parts of the U.S., with more than 1.2 million new cases reported over the last 7 days.
The latest CDC COVIDView report shows that national measures used to track the spread of COVID19-associated illness went down or held steady this week compared to last week. Learn more: https://bit.ly/2ViFflZ.
New CDC Mortality and Morbidity Weekly Report (MMWR) report shows COVID-19 antigen tests can be fast and inexpensive but sometimes require a second test to confirm the result. Learn more: https://bit.ly/MMWR123120.
The vaccines currently available in the U.S. are more than 90% effective at preventing COVID-19, according to clinical trials, and are important tools to stop the pandemic.
On December 8, President Trump issued the Executive Order on Ensuring Access to United States Government COVID-19 Vaccines. The Executive Order provides a mandate for the United States to facilitate international access to safe and effective COVID-19 vaccines.