最新84604例，世卫组织回应美国“退群”，冠状病毒爆发时间轴速览
新华社日内瓦6月1日电（记者刘曲）针对美国总统特朗普日前宣布美国将终止与世界卫生组织的关系，世卫组织总干事谭德塞6月1日表示，世卫组织希望与美国的合作能继续下去。
谭德塞在当天的记者会上说：“长期以来，世界一直受益于与美国政府和人民的紧密合作。几十年来，美国政府和人民对全球卫生事业的贡献和慷慨是巨大的，这对全世界的公共卫生事业产生了重大影响。世卫组织希望这种合作继续下去。”
5月29日，特朗普表示，由于世卫组织“拒绝执行美方所要求的改革”，美国将终止与世卫组织的关系，并将向该组织缴纳的会费调配至别处。
今年4月14日，特朗普宣布美国暂停向世卫组织缴纳会费，并要求对世卫组织在疫情中的行为问责。5月18日，特朗普致信谭德塞，威胁若世卫组织不致力于在未来30天内作出“实质性改进”，美方将终止向世卫组织缴纳会费，并重新考虑是否留在该组织内。
CNN报道：以下是有关世界卫生组织宣布大流行的冠状病毒爆发传播的一些信息。被世界卫生组织称为Covid-19的冠状病毒是SARS病毒的表亲。
冠状病毒是动物中常见的一大类病毒。病毒可以使人患病，通常患有轻度至中度的上呼吸道疾病，类似于普通感冒。冠状病毒的症状包括流鼻涕，咳嗽，喉咙痛，可能是头痛，甚至是发烧，这种情况可能会持续几天。
冠状病毒爆发时间轴速览（原文以英文为主）
2019年12月31日-在中国武汉发现的肺炎病例首次向世卫组织报告。在此报告期间，该病毒未知。据武汉市卫生局报道，该病例发生在12月12日至12月29日之间。
2020年1月1日-在发现那里出售的野生动物可能是该病毒的来源之后，中国卫生部门关闭了华南海鲜批发市场。
2020年1月5日-中国宣布，武汉市未知的肺炎病例不是SARS或MERS。武汉市卫生委员会在一份声明中说，已经对该疾病进行了追溯调查。
2020年1月7日-中国当局确认已确认该病毒为新型冠状病毒，世卫组织最初将其命名为2019-nCoV。
2020年1月11日-武汉市卫生委员会宣布首例冠状病毒死亡。一名在海鲜市场暴露于该病毒的61岁男子在1月9日因严重的肺炎引起的呼吸衰竭死亡。
2020年1月17日-中国卫生官员确认第二人在中国死亡。美国通过在旧金山，纽约和洛杉矶的机场进行症状筛查来应对这种暴发。
2020年1月20日-中国报告了139例新疾病，包括第三例死亡。当天，世界卫生组织的第一份情况报告确认了日本，韩国和泰国的病例。
2020年1月20日- 美国国立卫生研究院宣布，它正在研究一种针对冠状病毒的疫苗。美国国立过敏与传染病研究所所长Anthony Fauci博士说：“ NIH正在朝着开发疫苗的第一步迈进。”
2020年1月21日- 华盛顿州官员确认了美国境内的第一起案件。
2020年1月23日-在世界卫生组织召集的应急委员会上，世界卫生组织表示，冠状病毒尚未构成国际关注的公共卫生突发事件。
2020年1月23日-北京市文化旅游局取消了所有大型农历新年庆祝活动，以遏制病毒的传播。同一天，中国当局强制限制进出武汉的运输。邻近的黄冈和鄂州城市当局宣布了一系列类似措施。
2020年1月28日-习近平在北京会见世卫组织总干事谭德塞·阿达诺姆（Tedros Adhanom）。在会议上，习近平和世界卫生组织同意派遣包括美国疾病控制和预防中心工作人员在内的国际专家团队到中国调查冠状病毒的爆发。
2020年1月29日-白宫宣布组建新的工作队，以帮助监控和遏制病毒的传播，并确保美国人掌握准确和最新的健康和旅行信息。
2020年1月30日- 美国报告了首例确诊的人际传播冠状病毒病例。在同一天，WHO确定爆发是国际关注的突发公共卫生事件（PHEIC）。
2020年1月31日-在唐纳德·特朗普政府宣布将拒绝过去14天在中国旅行的外国公民入境。
2020年2月2日-菲律宾一名男子死于冠状病毒- 这是自爆发以来首次在中国大陆以外报道死亡。
2020年2月3日- 中国外交部指责美国政府对疫情做出不适当的反应，并通过实施旅行限制来散布恐惧。
2020年2月4日- 日本卫生部宣布，已确认停泊在横滨湾的Diamond Princess游轮上有10人患有冠状病毒。该船载有3,700多人，已接受检疫，检疫定于2月19日结束。
2020年2月7日- 武汉一名医生李文良因在12月试图对“ SARS样”病毒发出警报而遭到警方训诫，他死于冠状病毒。在李的死亡消息传出后，“武汉政府欠李文良医生一个道歉”在微博上流行，然后被删除。
2020年2月8日-美国驻北京大使馆证实，一名60岁的美国公民于2月6日在武汉死亡，这是首次确认的外国人死亡。
2020年2月10日-习近平检查在北京遏制冠状病毒的工作，这是他首次出现在抗击疫情的前线。当天，来自世界卫生组织的国际专家团队抵达中国，以协助遏制冠状病毒的爆发。
2020年2月10日-皇家加勒比海邮轮从新泽西州巴约讷起航，此前冠状病毒的恐慌使它停靠在码头，乘客等待了几天。
2020年2月11日 -WHO将冠状病毒命名为Covid-19。
2020年2月13日-中国新华社宣布，在疫情暴发期间，上海市市长应勇将接替蒋超良。据新华社报道，武汉市委书记马国强也被山东省济南市委书记王忠林接任。
2020年2月14日-一名检测出该病毒呈阳性的中国游客在法国去世，成为欧洲爆发的第一例死亡。当天，埃及宣布了首例冠状病毒，这标志着非洲首例。
2020年2月15日- 共产党官方刊物《求是》发表了习近平2月3日的讲话的谈话内容，他在1月7日“发布了预防和控制新冠状病毒的要求”。
2020年2月18日-习近平在与英国首相鲍里斯·约翰逊（Boris Johnson）的电话中说，根据新华社的报道，中国预防和控制这一流行病的措施“正在取得明显进展”。
2020年2月21日-美国疾病控制与预防中心（CDC）更改了在美国对已确诊的新型冠状病毒病例进行计数的标准，并开始追踪两个独立的群体：美国国务院遣返的人群和美国公共卫生网络识别的人群。
2020年2月25日-NIH宣布在奥马哈的内布拉斯加大学医学中心开始一项临床试验，以评估抗病毒药物瑞姆昔韦在诊断为冠状病毒的成年人中的安全性和有效性。第一位参与者是从日本停靠的钻石公主号游轮上撤离的美国人。
2020年2月25日-为了遏制欧洲最大的疫情，意大利的伦巴第大区新闻办公室发布了已完全封锁的城镇清单。约有十万人受到旅行限制的影响。
2020年2月26日-美国 疾病预防控制中心官员说，正在接受新型冠状病毒治疗的加利福尼亚患者是美国首例来源不明的病例。该患者既没有相关的旅行经历，也没有与其他已知患者接触过，是美国可能出现的第一个“社区传播”病例。
2020年2月26日- 特朗普总统将副总统迈克·彭斯（Mike Pence）任命 为美国政府对 新型冠状病毒的应对措施，同时越来越多的人批评白宫应对疫情。
2020年2月29日-一位州卫生官员宣布，华盛顿州一名感染新型冠状病毒的患者死亡，这标志着这是美国首次因该病毒死亡。尸检结果随后显示，两名加利福尼亚人在2月初和2月中旬至三周前死于新型冠状病毒。
2020年3月3日- 面对对冠状病毒爆发的担忧，美联储将利率下调了0.5个百分点，目的是使美国经济震动。这是自2008年以来首次意外降息，也是自那时以来最大的一次降息。
2020年3月3日- 官方宣布，伊朗将采取一系列措施遏制世界上最致命的冠状病毒在中国以外的爆发，伊朗将暂时从监狱释放54,000人，并部署数十万名卫生工作者。还宣布，伊朗议会的23个成员对该病毒进行了阳性测试。
2020年3月4日-美国疾病预防控制中心（CDC）正式取消了先前的限制，将对普通人群的冠状病毒检测仅限于医院中的人员，除非他们与确诊的冠状病毒病例密切接触。根据CDC的说法，临床医生现在应该“根据判断来判断患者的体征和症状是否与COVID-19兼容，以及是否应该对该患者进行检查”。
2020年3月8日-意大利总理朱塞佩·孔戴（Giuseppe Conte）签署法令，对整个伦巴第地区和其他14个省份实施旅行限制，限制了该国北部超过1000万人的流动。
2020年3月9日- 孔戴（Conte）宣布整个意大利处于封锁状态。
2020年3月11日- 世界卫生组织宣布新型冠状病毒爆发为大流行病。世卫组织说，这次暴发是由冠状病毒引起的首例大流行。特朗普在椭圆形办公室的讲话中宣布，他将限制从欧洲到美国的旅行30天，以减缓冠状病毒的传播。该禁令适用于申根区的26个国家，仅适用于外国公民，不适用于在进入该国之前接受筛查的美国公民和永久居民。
2020年3月13日- 特朗普宣布全国紧急状态，以释放500亿美元的联邦资源用于对抗冠状病毒。
2020年3月18日- 特朗普签署了一项冠状病毒救济计划，其中包括对Covid-19进行免费测试和带薪紧急假的规定。
2020年3月19日-在新闻发布会上，中国国家卫生委员会的官员报告自大流行开始以来，首次没有新的本地传播的冠状病毒病例。
2020年3月23日- 联合国秘书长安东尼奥·古特雷斯（AntónioGuterres）呼吁在大流行中立即进行全球停火，以打击“共同敌人”。
2020年3月24日- 日本首相安倍晋三和国际奥委会主席托马斯·巴赫（Thomas Bach）同意在疫情爆发期间将奥运会推迟到2021年。
2020年3月25日-白宫和参议院领导人就2万亿美元的刺激交易达成协议以抵消冠状病毒的经济损害，这是国会历史上最昂贵，影响深远的措施之一。
2020年3月27日- 特朗普签署了刺激计划，并将其纳入法律。
2020年4月2日-根据美国劳工部的数据，截至3月28日当周，有660万美国工人申请了第一周的失业救济，这是有史以来首次申请失业救济的人数最多。根据约翰·霍普金斯大学的统计数据，全球冠状病毒病例总数超过100万。
2020年4月3日- 特朗普说，他的政府现在建议美国人戴“非医疗布”的面罩，这与以前的建议相反，建议那些没有病的人不需要戴口罩。
2020年4月8日- 经过76天的封锁，中国重新开放了武汉。
2020年4月14日-特朗普宣布他将在进行审查时中止向WHO拨款，称审查将涵盖WHO的“严重管理不当并掩盖冠状病毒传播的作用”。
2020年4月20日-智利卫生官员宣布，智利将开始向从冠状病毒中康复的人发行世界上第一张数字免疫卡，称这些卡将有助于识别不再对他人构成健康风险的个人。
2020年4月21日-加利福尼亚州的圣塔克拉拉县宣布尸检结果，显示两名加利福尼亚人在2月初和2月中旬死于新型冠状病毒- 距美国此前已知的第一例死于该病毒的时间还不到三周。
2020年5月1日-美国食品和药物管理局（FDA）对重度Covid-19住院患者的雷姆昔韦（remdesivir）发出紧急使用授权。FDA专员史蒂芬·哈恩（Stephen Hahn）说，雷姆昔韦是Covid-19的第一种授权治疗药物。
2020年5月4日-在由欧盟联合举办的虚拟认捐会议上，世界各国领导人承诺提供总计80亿美元，用于开发和部署针对新型冠状病毒的诊断，治疗和疫苗。
2020年5月11日-特朗普及其政府宣布联邦政府将向各州拨款110亿美元，以扩大冠状病毒测试能力。4月24日签署的一揽子救济计划包括250亿美元用于测试，其中110亿美元用于州，地方，领地和部落。
2020年5月13日-世卫组织紧急卫生计划执行主任迈克·瑞安（Mike Ryan）警告，冠状病毒可能永远不会消失，而可能每年都与会杀死全世界人的病毒混杂在一起。
2020年5月19日-世界卫生组织同意对全球对冠状病毒大流行的应对进行调查。在欧盟和澳大利亚率先提议进行调查之后，世卫组织成员国在世界卫生大会会议上毫无异议地采纳了该建议。
2020年5月23日- 中国未报告新的症状性冠状病毒病例，这是自12月爆发以来首次。
Timeline
CNN's early reporting on the coronavirus
December 31, 2019 - Cases of pneumonia detected in Wuhan, China, are first reported to the WHO. During this reported period, the virus is unknown. The cases occur between December 12 and December 29, according to Wuhan Municipal Health.
January 1, 2020 - Chinese health authorities close the Huanan Seafood Wholesale Market after it is discovered that wild animals sold there may be the source of the virus.
January 5, 2020 - China announces that the unknown pneumonia cases in Wuhan are not SARS or MERS. In a statement, the Wuhan Municipal Health Commission says a retrospective probe into the outbreak has been initiated.
January 7, 2020 - Chinese authorities confirm that they have identified the virus as a novel coronavirus, initially named 2019-nCoV by the WHO.
January 11, 2020 - The Wuhan Municipal Health Commission announces the first death caused by the coronavirus. A 61-year-old man, exposed to the virus at the seafood market, died on January 9 after respiratory failure caused by severe pneumonia.
January 17, 2020 - Chinese health officials confirm that a second person has died in China. The United States responds to the outbreak by implementing screenings for symptoms at airports in San Francisco, New York and Los Angeles.
January 20, 2020 - China reports 139 new cases of the sickness, including a third death. On the same day, the WHO's first situation report confirms cases in Japan, South Korea and Thailand.
January 20, 2020 - The National Institutes of Health announces that it is working on a vaccine against the coronavirus. "The NIH is in the process of taking the first steps towards the development of a vaccine," says Dr. Anthony Fauci, director of the National Institutes of Allergy and Infectious Diseases.
January 21, 2020 - Officials in Washington state confirm the first case on US soil.
January 23, 2020 - At an emergency committee convened by the World Health Organization, the WHO says that the coronavirus does not yet constitute a public health emergency of international concern.
January 23, 2020 - The Beijing Culture and Tourism Bureau cancels all large-scale Lunar New Year celebrations in an effort to contain the growing spread of coronavirus. On the same day, Chinese authorities enforce a partial lockdown of transport in and out of Wuhan. Authorities in the nearby cities of Huanggang and Ezhou Huanggang announce a series of similar measures.
January 28, 2020 - Chinese President Xi Jinping meets with WHO Director General Tedros Adhanom in Beijing. At the meeting, Xi and the WHO agree to send a team of international experts, including US Centers for Disease Control and Prevention staff, to China to investigate the coronavirus outbreak.
January 29, 2020 - The White House announces the formation of a new task force that will help monitor and contain the spread of the virus, and ensure Americans have accurate and up-to-date health and travel information, it says.
January 30, 2020 - The United States reports its first confirmed case of person-to-person transmission of the coronavirus. On the same day, the WHO determines that the outbreak constitutes a Public Health Emergency of International Concern (PHEIC).
January 31, 2020 - The Donald Trump administration announces it will deny entry to foreign nationals who have traveled in China in the last 14 days.
February 2, 2020 - A man in the Philippines dies from the coronavirus -- the first time a death has been reported outside Chinese Mainland since the outbreak began.
February 3, 2020 - China's Foreign Ministry accuses the US government of inappropriately reacting to the outbreak and spreading fear by enforcing travel restrictions.
February 4, 2020 - The Japanese Health Ministry announces that ten people aboard the Diamond Princess cruise ship moored in Yokohama Bay are confirmed to have the coronavirus. The ship, which is carrying more than 3,700 people, is placed under quarantine scheduled to end on February 19.
February 7, 2020 - Li Wenliang, a Wuhan doctor who was targeted by police for trying to sound the alarm on a "SARS-like" virus in December, dies of the coronavirus. Following news of Li's death, the topics "Wuhan government owes Dr. Li Wenliang an apology," and "We want freedom of speech," trend on China's Twitter-like platform, Weibo, before disappearing from the heavily censored platform.
February 8, 2020 - The US Embassy in Beijing confirms that a 60-year-old US national died in Wuhan on February 6, marking the first confirmed death of a foreigner.
February 10, 2020 - Xi inspects efforts to contain the coronavirus in Beijing, the first time he has appeared on the front lines of the fight against the outbreak. On the same day, a team of international experts from WHO arrives in China to assist with containing the coronavirus outbreak.
February 10, 2020 - The Anthem of the Seas, a Royal Caribbean cruise ship, sets sail from Bayonne, New Jersey, after a coronavirus scare had kept it docked and its passengers waiting for days.
February 11, 2020 - The WHO names the coronavirus Covid-19.
February 13, 2020 - China's state-run Xinhua News Agency announces that Shanghai mayor Ying Yong will be replacing Jiang Chaoliang amid the outbreak. Wuhan Communist Party chief Ma Guoqiang has also been replaced by Wang Zhonglin, party chief of Jinan city in Shandong province, according to Xinhua.
February 14, 2020 - A Chinese tourist who tested positive for the virus dies in France, becoming the first person to die in the outbreak in Europe. On the same day, Egypt announces its first case of coronavirus, marking the first case in Africa.
February 15, 2020 - The official Communist Party journal Qiushi publishes the transcript of a speech made on February 3 by Xi in which he "issued requirements for the prevention and control of the new coronavirus" on January 7, revealing Xi knew about and was directing the response to the virus on almost two weeks before he commented on it publicly.
February 18, 2020 - Xi says in a phone call with British Prime Minister Boris Johnson that China's measures to prevent and control the epidemic "are achieving visible progress," according to state news Xinhua.
February 21, 2020 - The CDC changes criteria for counting confirmed cases of novel coronavirus in the United States and begins tracking two separate and distinct groups: those repatriated by the US Department of State and those identified by the US public health network.
February 25, 2020 - The NIH announces that a clinical trial to evaluate the safety and effectiveness of the antiviral drug remdesivir in adults diagnosed with coronavirus has started at the University of Nebraska Medical Center in Omaha. The first participant is an American who was evacuated from the Diamond Princess cruise ship docked in Japan.
February 25, 2020 - In an effort to contain the largest outbreak in Europe, Italy's Lombardy region press office issues a list of towns and villages that are in complete lockdown. Around 100,000 people are affected by the travel restrictions.
February 26, 2020 - CDC officials say that a California patient being treated for novel coronavirus is the first US case of unknown origin. The patient, who didn't have any relevant travel history nor exposure to another known patient, is the first possible US case of "community spread."
February 26, 2020 - President Trump places Vice President Mike Pence in charge of the US government response to the novel coronavirus, amid growing criticism of the White House's handling of the outbreak.
February 29, 2020 - A state health official announces that a patient infected with the novel coronavirus in Washington state has died, marking what was believed to be the first death due to the virus in the United States. Autopsy results later reveal two Californians died of novel coronavirus in early and mid-February -- up to three weeks earlier.
March 3, 2020 - The Federal Reserve slashes interest rates by half a percentage point in an attempt to give the US economy a jolt in the face of concerns about the coronavirus outbreak. It is the first unscheduled, emergency rate cut since 2008, and it also marks the biggest one-time cut since then.
March 3, 2020 - Officials announce that Iran will temporarily release 54,000 people from prisons and deploy hundreds of thousands of health workers as officials announced a slew of measures to contain the world's deadliest coronavirus outbreak outside China. It is also announced that 23 members of Iran's parliament tested positive for the virus.
March 4, 2020 - The CDC formally removes earlier restrictions that limited coronavirus testing of the general public to people in the hospital, unless they had close contact with confirmed coronavirus cases. According to the CDC, clinicians should now "use their judgment to determine if a patient has signs and symptoms compatible with COVID-19 and whether the patient should be tested."
March 8, 2020 - Italian Prime Minister Giuseppe Conte signs a decree placing travel restrictions on the entire Lombardy region and 14 other provinces, restricting the movements of more than 10 million people in the northern part of the country.
March 9, 2020 - Conte announces that the whole country of Italy is on lockdown.
March 11, 2020 - The WHO declares the novel coronavirus outbreak to be a pandemic. WHO says the outbreak is the first pandemic caused by a coronavirus. In an Oval Office address, Trump announces that he is restricting travel from Europe to the United States for 30 days in an attempt to slow the spread of coronavirus. The ban, which applies to the 26 countries in the Schengen Area, applies only to foreign nationals and not American citizens and permanent residents who'd be screened before entering the country.
March 13, 2020 - Trump declares a national emergency to free up $50 billion in federal resources to combat coronavirus.
March 18, 2020 - Trump signs into law a coronavirus relief package that includes provisions for free testing for Covid-19 and paid emergency leave.
March 19, 2020 - At a news conference, officials from China's National Health Commission report no new locally transmitted coronavirus cases for the first time since the pandemic began.
March 23, 2020 - United Nations Secretary-General António Guterres calls for an immediate global ceasefire amid the pandemic to fight "the common enemy."
March 24, 2020 - Japan's Prime Minister Shinzo Abe and International Olympic Committee (IOC) president Thomas Bach agree to postpone the Olympics until 2021 amid the outbreak.
March 25, 2020 - The White House and Senate leaders reach an agreement on a $2 trillion stimulus deal to offset the economic damage of coronavirus, producing one of the most expensive and far-reaching measures in the history of Congress.
March 27, 2020 - Trump signs the stimulus package into law.
April 2, 2020 - According to the Department of Labor, 6.6 million US workers file for their first week of unemployment benefits in the week ending March 28, the highest number of initial claims in history. Globally, the total number of coronavirus cases surpasses 1 million, according to Johns Hopkins University's tally.
April 3, 2020 - Trump says his administration is now recommending Americans wear "non-medical cloth" face coverings, a reversal of previous guidance that suggested masks were unnecessary for people who weren't sick.
April 8, 2020 - China reopens Wuhan after a 76-day lockdown.
April 14, 2020 - Trump announces he is halting funding to the WHO while a review is conducted, saying the review will cover the WHO's "role in severely mismanaging and covering up the spread of coronavirus."
April 20, 2020 - Chilean health officials announce that Chile will begin issuing the world's first digital immunity cards to people who have recovered from coronavirus, saying the cards will help identify individuals who no longer pose a health risk to others.
April 21, 2020 - California's Santa Clara County announce autopsy results that show two Californians died of novel coronavirus in early and mid-February -- up to three weeks before the previously known first US death from the virus.
May 1, 2020 - The US Food and Drug Administration issues an emergency-use authorization for remdesivir in hospitalized patients with severe Covid-19. FDA Commissioner Stephen Hahn says remdesivir is the first authorized therapy drug for Covid-19.
May 4, 2020 - During a virtual pledging conference co-hosted by the European Union, world leaders pledge a total of $8 billion for the development and deployment of diagnostics, treatments and vaccines against the novel coronavirus.
May 11, 2020 - Trump and his administration announce that the federal government is sending $11 billion to states to expand coronavirus testing capabilities. The relief package signed on April 24 includes $25 billion for testing, with $11 billion for states, localities, territories and tribes.
May 13, 2020 - Dr. Mike Ryan, executive director of the WHO's health emergencies program, warns that the coronavirus may never go away and may just join the mix of viruses that kill people around the world every year.
May 19, 2020 - The WHO agrees to hold an inquiry into the global response to the coronavirus pandemic. WHO member states adopt the proposal with no objections during the World Health Assembly meeting, after the European Union and Australia led calls for an investigation.
May 23, 2020 - China reports no new symptomatic coronavirus cases, the first time since the beginning of the outbreak in December.
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