2019冠狀病毒病美國疫情：修订间差异
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[[File:Timeline of weekly confirmed COVID-19 deaths in the United States.svg|thumb|335px|每周COVID-19病例死亡人数]]
'''[[2019冠状病毒病疫情]]'''-{zh-hans:爆发;zh-hant:爆發}-后，
'''[[2019冠状病毒病疫情]]'''-{zh-hans:爆发;zh-hant:爆發}-后，2020年1月21日，'''[[美国]]'''宣布出现第一例[[2019冠状病毒病]]。3月10日確診個案破千，自3月17日開始全美50個州均有確診個案。3月19日確診個案過萬，[[美国疾病控制与预防中心]]（CDC）每周一至周五中午更新截至昨天晚4点的官方统计数据。隨後3月27日當天超越中國與義大利公开的数字，成為疫情最嚴重的國家<ref name=":2">{{Cite web |url=https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html |title=Coronavirus Disease 2019 (COVID-19) in the U.S. |access-date=2020-02-08 |archive-url=https://web.archive.org/web/20200222072600/https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html |archive-date=2020-02-22 |dead-url=no }}</ref><ref>{{Cite web|title=美国新冠病毒感染超82000例已成全球最多|publisher=光明网|url=https://m.gmw.cn/toutiao/2020-03/27/content_123291486.htm|accessdate=2020-03-27|author=|date=|format=|language=|archive-date=2021-09-22|archive-url=https://web.archive.org/web/20210922032057/https://m.gmw.cn/toutiao/2020-03/27/content_123291486.htm}}</ref>。4月27日，美國境內確診病例達到100萬，死亡人数达到5.5萬人。所有海外領地均有確診個案。5月底，死亡人數已逼近10萬，《[[纽约时报|紐時]]》以逝世者為題製作了頭版頭條報導「{{le|美國死亡人數近10萬，損失無以計數|U.S. Deaths Near 100,000, An Incalculable Loss}}」<ref>{{Cite news|url=https://www.nytimes.com/interactive/2020/05/24/us/us-coronavirus-deaths-100000.html|title=U.S. Deaths Near 100,000, An Incalculable Loss|date=2020-05-24|publisher=[[纽约时报]]|accessdate=2021-01-18|language=en|archive-date=2021-01-24|archive-url=https://web.archive.org/web/20210124153752/https://www.nytimes.com/interactive/2020/05/24/us/us-coronavirus-deaths-100000.html|dead-url=no}}</ref>。2021年2月21日，美國境內確診病例逼近2900万，死亡人数突破50万<ref>{{Cite news|url=https://www.nbcnews.com/news/us-news/u-s-reaches-500-000-deaths-coronavirus-n1257992|title=U.S. reaches 500,000 deaths from the coronavirus|date=2021-02-21|publisher=[[NBC]]|accessdate=2021-02-24|language=en|archive-date=2021-04-05|archive-url=https://web.archive.org/web/20210405042038/https://www.nbcnews.com/news/us-news/u-s-reaches-500-000-deaths-coronavirus-n1257992|dead-url=no}}</ref>。2022年1月，[[嚴重急性呼吸道症候群冠狀病毒2型Omicron變異株|Omicron變種病毒]]出现后，美国住院人数和病例数创历史新高，单日报告的新感染人数达150万。<ref>{{cite web|last=Rattner|first=Nate|date=2022-01-11|title=U.S. sets fresh records for Covid hospitalizations and cases with 1.5 million new infections|url=https://www.cnbc.com/2022/01/11/omicron-variant-us-sets-fresh-records-for-covid-hospitalizations-and-cases-with-1point5-million-new-infections.html|access-date=2022-01-12|website=CNBC}}</ref>▼
https://cn.wsj.com/articles/%E7%A0%94%E7%A9%B6%E7%99%BC%E7%8F%BE%E7%BE%8E%E5%9C%8B%E5%9C%A82019%E5%B9%B412%E6%9C%88%E5%B0%B1%E6%9C%89%E4%BA%BA%E6%84%9F%E6%9F%93%E6%96%B0%E5%86%A0%E7%97%85%E6%AF%92-11624419908
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美国包括疾病控制与预防中心在内的公共卫生部门正敦促各级地方政府、企业和学校制定计划<ref>{{Cite web|date=2020-02-26|access-date=2020-02-27|title=Health authorities expect COVID-19 community spread on US soil|url=https://www.channelnewsasia.com/news/world/covid-19-authorities-expect-community-spread-us-soil-12470978|archive-date=2021-05-01|archive-url=https://web.archive.org/web/20210501025234/https://www.channelnewsasia.com/news/world/covid-19-authorities-expect-community-spread-us-soil-12470978}}</ref><ref name=autogenerated1>{{Cite web| url=https://www.cdc.gov/coronavirus/2019-ncov/specific-groups/guidance-business-response.html?CDC_AA_refVal=https%3A%2F%2Fsummer-heart-0930.chufeiyun1688.workers.dev%3A443%2Fhttps%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fguidance-business-response.html| title=Coronavirus Disease 2019 (COVID-19)| date=2020-02-11| access-date=2020-03-01| archive-url=https://web.archive.org/web/20200301220133/https://www.cdc.gov/coronavirus/2019-ncov/specific-groups/guidance-business-response.html?CDC_AA_refVal=https%3A%2F%2Fsummer-heart-0930.chufeiyun1688.workers.dev%3A443%2Fhttps%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fguidance-business-response.html| archive-date=2020-03-01| dead-url=no}}</ref>。为避免疾病进一步传播，疾病控制与预防中心建议民众经常用肥皂[[洗手]]，并冲洗至少30秒，或使用酒精含量不低于60%的洗手液清洗，避免用手接触眼、鼻和嘴部，打喷嚏和咳嗽时遮住口鼻，生病后在家休息，避免与生病患者近距离接触，对经常触碰的物品进行消毒和清洁。<ref name="CDC COVID-19 Prevention">{{cite web |last1=CDC |title=Coronavirus Disease 2019 (COVID-19): Prevention & Treatment |url=https://www.cdc.gov/coronavirus/2019-ncov/about/prevention-treatment.html |website=CDC |accessdate=2020-02-29 |archive-url=https://web.archive.org/web/20200226145347/https://www.cdc.gov/coronavirus/2019-ncov/about/prevention-treatment.html |archive-date=2020-02-26 |dead-url=no }}</ref>
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