世界各地都需要新冠疫苗，而世卫组织则建议暂停加强新冠疫苗的注射，已让世界其他地区得以接种，这样能够减少新冠肺炎确诊病例的增加。
世卫组织呼吁暂停加强新冠疫苗注射;洛杉矶正在考虑疫苗证明要求:COVID-19最新情况
约翰·培根，豪尔赫·l·奥尔蒂斯，埃莉诺·阿斯佩格伦，今日美国
世界卫生组织总干事谭德塞28日表示，随着全球新冠肺炎确诊病例超过2亿例，世界卫生组织要求暂停新冠肺炎疫苗强化注射，以便让疫苗接种困难的国家获得疫苗。
“我们呼吁所有有影响力的人——奥运会运动员、投资者、商业领袖、宗教领袖以及他们自己家庭和社区的每一个人——支持我们暂停注射加强针的呼吁……直到9月底，”谭德塞博士说。
谭德塞说，目标是让每个国家至少10%的人口接种疫苗。
美国高级卫生官员说，目前还没有足够的数据支持加强注射，即使是对老年人和免疫功能低下的人，尽管以色列现在建议对这些群体进行加强注射。但是，世卫组织呼吁暂停强化接种的同时，由于高传染性的德尔塔病毒变种的推动，美国各地的感染病例正在激增，那里有大量的疫苗，但疫苗犹豫仍然是一个严重的问题。
美国疾病控制与预防中心的最新数据显示，全美超过90%的新冠病毒感染病例来自delta变种。美国疾病控制与预防中心说，在截至7月31日的两周内，主要的三角洲型病毒感染占83.4%。其他三角洲股占另外10%。
目前的疫苗在预防或至少减少三角洲病毒感染方面已经显示出了有效性，而且绝大多数感染和住院患者都是未接种疫苗的人。
还有新闻:
本周三，美国总统巴拉克•奥巴马迎来了他的60岁生日，但出于对病毒的担忧，他的生日派对被缩减了。发言人汉娜·汉金斯表示，前总统将与家人和亲密朋友一起庆祝这一里程碑式的时刻，而不是他原计划的大型户外派对。
拉斯维加斯市长卡罗琳·古德曼去年曾表示，沙漠的高温可以遏制冠状病毒，她说自己检测呈阳性，并被隔离了10天。
如果您丢失了COVID - 19疫苗接种卡，可以通过以下方法获得新的疫苗接种卡。
嘉年华邮轮公司表示，无论船上某些区域的疫苗接种情况如何，所有乘客都将要求戴上口罩，并强制进行邮轮前COVID-19检测。
拥有近400家设施的美国最大的养老院运营商Genesis Healthcare本周告诉其7万名员工，他们必须接种COVID-19疫苗才能保住工作。
今天的数据:根据约翰霍普金斯大学的数据，美国已有超过3530万例COVID-19确诊病例和614,700例死亡。全球总数:超过2亿例病例和425万人死亡。根据美国疾病控制与预防中心的数据，超过1.653亿美国人——占人口的49.8%——已经全面接种了疫苗。
阅读内容:在大流行18个多月后，每545名美国人中就有一人死于COVID-19，相当大一部分人继续主张自己的个人自由高于公共利益。阅读完整的故事。
请不断刷新本页以获取最新消息。想要更多吗?注册《今日美国》的冠状病毒观察通讯，直接收到收件箱的更新，并加入我们的Facebook群组。
儿童感染病例在一周内几乎翻倍
随着美国大部分地区学年的临近，越来越多的数字和传闻证据表明，儿童容易感染冠状病毒及其高度传染性的丁型病毒变种。
美国儿科学会表示，截至7月29日，自疫情开始以来，已有近420万名儿童被检测出病毒阳性，其中近7.2万名是在上周。这几乎是上周39000人感染人数的两倍。在6月下旬的一个星期里，大约有79000名美国人的检测结果呈阳性。
圣路易斯县卫生部门副主任斯普林·施密特周三说，该县医院目前的病例总数中，约有五分之一是19岁以下的人，其中一些人在重症监护室。
路易斯安那州最大的医院系统Ochsner Health表示，几周前没有儿科COVID患者，但过去两周的数字从5到15人不等。奥克斯纳儿童医院儿科主任威廉·伦纳兹医生说，这并不意味着德尔塔变异对儿童的影响特别大。
他说:“不同的是，现在儿童是最容易感染的人群，因为12岁以下的儿童100%没有接种疫苗。”
到美国的外国游客可能会被要求接种疫苗
据美联社报道，根据拜登政府正在制定的一项计划，几乎所有外国游客在进入美国之前都将被要求接种COVID-19疫苗。
这一要求是政府逐步放宽外国公民入境限制措施的一部分。目前还没有确定时间表，跨部门工作组正在研究如何以及何时安全恢复正常旅行。
奥巴马政府继续实施旅行限制，严重减少了前往美国的国际旅行，理由是病毒的德尔塔变种的传播。
洛杉矶正在考虑疫苗证明要求
洛杉矶市官员正在考虑一项提议，要求人们在进入餐馆、博物馆、健身房和其他公共场所时出示已接种疫苗的证明，本周，它成为该国首个要求COVID-19疫苗证明才能进入许多室内公共场所的国家。
市议员米奇·奥法雷尔说:“勤奋工作的洛杉矶人、他们的顾客和普通公众应该在公共场所享有安全。”奥法雷尔与市议会主席努瑞·马丁内斯一起提出了这一提案。
“非常重要的是，我们采取一切可能的措施，鼓励那些没有接种疫苗的人接种疫苗。它也是至关重要的,那些是公共卫生建议,得到了照片,他们能够尽可能自由地移动,”洛杉矶城市市长候选人律师迈克封地说,他写了一封信给洛杉矶县监事会,敦促其采取行动的全国性。
纽约市长比尔·白思豪周二宣布了这一要求，并得到乔·拜登总统的支持，将于8月16日生效。
珍妮圣托西
丹佛是第一个强制员工接种疫苗的大型学区
丹佛市要求所有在高危环境工作的城市员工和私营部门员工在9月底之前接种COVID-19疫苗，作为这项要求的一部分，学校工作人员将被要求接种疫苗。这使得丹佛公立学校成为第一个发布这样一项命令的大地区。该地区有大约92,000名学生和10,000多名工人。
纽约市市长迈克尔·汉考克本周发布的公共卫生命令有些效力，因为如果不遵守命令，将面临被解雇的威胁。唯一的例外是出于医疗或宗教原因。
据《丹佛邮报》报道，他说:“幕后可能会有一些人失去工作。”
包括纽约市在内的其他大型学区表示，学校员工需要接种疫苗，或者定期接受病毒检测。但在丹佛，不想接种疫苗的学校员工没有这个选择。
丹佛的规定适用于该市所有教育机构的工作人员，包括公立和私立K-12学校、学院和大学。
学校督学协会的执行理事丹·多梅内克说，丹佛可能是第一个对学校教职员工提出这样要求的城市，但不会是最后一个。他说:“我相信其他人也会效仿。”
——特别黄
斯多吉摩托车拉力赛回来了，德尔塔也会去
还记得去年大流行期间举行的斯多吉摩托车集会吗?南达科他州一年一度的摩托车手聚会今年又回来了，现在传染性极强的德尔塔变种威胁着要把这个活动变成大规模的超级传播者。
预计将有大约70万人参加这场从周五开始的集会，它已经成为急于逃避冠状病毒预防措施的人的避风港。去年8月，大约有46万人参加了会议，但这几乎没能阻止与会者。随着骑自行车的人涌入酒吧、纹身店和摇滚表演，大部分人都摘下了面具。
接触者追踪器报告，在与2020年集会有关的全国各地有649人感染，其中一人死亡。美国疾病控制与预防中心的一个研究小组在一项已发表的研究中总结说，这次聚集“具有超级传播事件的许多特征”。
斯特吉斯居民卡罗尔·费纳担心今年的集会会导致新的病例爆发，她说:“集会规模巨大，你无法阻止它。”“我感到完全无力。”
接种疫苗的人比未接种疫苗的人更警惕丁型肝炎病毒
周三发布的一项新调查显示，尽管丁型病毒对未接种疫苗的人造成了风险，但接种过新冠病毒疫苗的人更担心这种高传染性的病毒，而且更有可能改变自己的行为。根据凯泽家庭基金会的最新跟踪调查，接种疫苗的成年人担心像德尔塔这样的新变种会加剧全国和地方的疫情的可能性几乎是接种疫苗的成年人的两倍。
这项对1517名成年人的电话调查是在7月15日至27日期间进行的，之后美国疾病控制与预防中心表示，在COVID-19传播严重的地区，接种疫苗的人应该戴上口罩。约五分之一未接种疫苗的成年人表示，基因变异使他们更有可能接种疫苗。
基金会首席执行官德鲁·阿尔特曼说:“看到他们的朋友生病，当地医院又挤满了COVID患者，可能会加快他们的速度。”
- - - - - -莫林Groppe
一些教育工作者和州政客在学校戴口罩的问题上存在分歧
随着新学年的临近，德尔塔病毒的变异导致美国感染和住院人数急剧上升，这使得全国的教育工作者都十分警惕。美国教育部的返校路线图包括了戴口罩的指导，这在许多学区引起了教育工作者和州官员的对立。
在佛罗里达州，杜瓦尔县公立学校将有一项带选择退出选项的口罩强制令，尽管州长罗恩·德桑蒂斯威胁说，如果学校发布禁令，学区将提供资金支持。在田纳西州，谢尔比县学校将保留戴口罩的规定，甚至根据今年秋季的病例开始远程上学。该州众议院发言人威胁要召开特别会议禁止这种做法。
来自俄克拉何马州的一群民主党议员呼吁召开特别立法会议，废除一项新法律，该法律禁止学区强制佩戴口罩，除非紧急状态生效。塔尔萨公立学校希望但不要求学生和工作人员随时戴口罩，不管疫苗接种情况如何。
“在我们认真对待COVID之前，必须发生什么?”众议院少数党领袖艾米丽·维珍说。“我们有孩子住在重症监护室。”
芝加哥Lollapalooza音乐节:安全还是“灾难配方”?
上周末，随着美国新冠肺炎确诊病例的激增，数十万人聚集在芝加哥市中心参加户外音乐节Lollapalooza，几乎成了人山人海。超过38.5万人参加了为期四天的活动。芝加哥市长洛里·莱特福特为举办音乐节的决定进行了辩护，他援引了大流行预防措施，要求观众出示接种疫苗或COVID-19检测呈阴性的证据，并戴上口罩。洛拉帕罗扎说，在活动的第一天，90%的参与者证明他们接种了疫苗。莱特福特说，数百人被拒之门外。
尽管如此，一些专家还是敲响了警钟。西北大学范伯格医学院教授谭婷称这个节日是“灾难的处方”。
“在户外传播新冠病毒的能力较低，但这并不意味着你可以把10万人挤在一个狭小的封闭空间里，他们一个挨一个地挤在一起，预计没有人会传播，”谭说。“事情不是这样的。”
——阿德里安娜·罗德里格斯和克里斯汀·费尔南多
第四波病毒淹没了疫苗接种犹豫地区的医院
第四波COVID-19疫情有可能使美国一些地区的医院不堪重负，这些地区大量未接种疫苗的人对高传染性的德尔塔病毒几乎没有抵抗力。美国卫生与公众服务部的数据显示，佛罗里达的压力比其他任何地方都更明显。周二，该州因COVID-19住院的人数达到了新的高峰，达到了11515人。
佛罗里达州医院协会首席执行官玛丽·梅休说，杰克逊维尔和奥兰多的医院上周度过了大流行高峰，迈阿密-戴德县的医院本周的冠状病毒住院人数达到或接近创纪录水平。病例继续激增:在截至7月29日的一周内，110477名居民的COVID-19检测呈阳性，预示着未来几周将有更多的人需要住院治疗。
梅休说:“丁型肝炎病毒变种正在未接种疫苗的人群中蔓延。”
——肯Alltucker
贡献:美联社
附上原文，以供参考，拒绝转载，侵权必删：
WHO calls for moratorium on vaccine booster shots; Los Angeles considering proof-of-vaccine requirements: COVID-19 updates
John BaconJorge L. OrtizElinor Aspegren USA TODAY
The director-general of the World Health Organization called for a moratorium on coronavirus vaccine booster shots to allow vaccine access to countries struggling to obtain jabs as the global total of COVID-19 cases surpassed 200 million Wednesday.
"We call on everyone with influence – Olympics athletes, investors, business leaders, faith leaders and every individual in their own family and community – to support our call for a moratorium on booster shots... until at least the end of September," Dr. Tedros Adhanom Ghebreyesus said.
Tedros said the goal was to focus on enabling at least 10% of the population of every country to be vaccinated.
Top U.S. health officials have said there is not yet enough data to support booster shots, even for the elderly and immunocompromised, though Israel is now recommending them for those groups. But WHO's call for a booster moratorium comes as infections are surging across the U.S. – driven by the highly contagious delta variant – where vaccine is plentiful but vaccine hesitancy remains a serious concern.
More than 90% of new coronavirus infections across the U.S. are from the delta variant, according to the latest data from the Center for Disease Control and Prevention. The primary delta strand accounted for 83.4% of infections in the two-week period that ended July 31, the CDC says. Other delta strands represented another 10%.
Current vaccines have shown effectiveness in protecting against or at least minimizing the damage from a delta infection, and the vast majority of infections and hospitalizations are among the unvaccinated.
Also in the news:
Barack Obama turned 60 on Wednesday, but his birthday bash has been scaled back because of virus concerns. Spokesperson Hannah Hankins said the former president will now be celebrating the milestone moment with family and close friends in place of the large outdoor party he had planned.
Las Vegas Mayor Carolyn Goodman, who suggested last year that the desert's heat would keep the coronavirus at bay, said she tested positive and quarantined for 10 days.
If you've lost your COVID vaccination card, this is how you can get a new one.
Carnival Cruise Lines said it will require masks for all passengers regardless of vaccination status in certain areas indoors onboard its ships, as well as mandatory pre-cruise COVID-19 testing.
Genesis Healthcare, the nation’s largest nursing home operator with nearly 400 facilities, told its 70,000 employees this week they will have to get COVID-19 vaccinations to keep their jobs.
Today's numbers: The U.S. has had more than 35.3 million confirmed COVID-19 cases and 614,700 deaths, according to Johns Hopkins University data. The global totals: More than 200 million cases and 4.25 million deaths. More than 165.3 million Americans – 49.8% of the population – have been fully vaccinated, according to the CDC.
What we're reading: After more than 18 months of a pandemic, with 1 of every 545 Americans killed by COVID-19, a substantial chunk of the population continues to assert their own individual liberties over the common good. Read the full story.
Keep refreshing this page for the latest news. Want more? Sign up for USA TODAY's Coronavirus Watch newsletter to receive updates directly to your inbox and join our Facebook group.
Infections among children nearly double in a week
As the school year approaches in most of the country, there's increasing evidence -- both numerical and anecdotal – of children's vulnerability to the coronavirus and its highly transmissible delta variant.
The American Academy of Pediatrics said that as of July 29, almost 4.2 million children have tested positive for the virus since the pandemic began, nearly 72,000 of them in the last week. That's almost twice as many as the 39,000 infections from the previous week. For perspective, about 79,000 Americans of all ages tested positive in a week of late June.
Spring Schmidt, deputy director of the St. Louis County health department, said Wednesday about one in five current total cases in county hospitals have been people under 19, some of them in intensive care.
Ochsner Health, Louisiana’s largest hospital system, said it had no pediatric COVID patients several weeks ago, but the last two weeks the number has ranged from five to 15. Dr. William Lennarz, head of pediatrics at Ochsner Hospital for Children, said that doesn’t mean the delta variant is disproportionately affecting children.
"What is different is that children now make up the most susceptible population because children under 12 are 100% not vaccinated,” he said.
Foreign visitors to US may be required to get vaccine
Nearly all foreign visitors will be required to be vaccinated against COVID-19 before entering the U.S., according to a plan the Biden administration is working on, The Associated Press reported.
The requirement would come as part of the administration’s phased approach to easing travel restrictions for foreign citizens to the country. No timeline has yet been determined, as interagency working groups study how and when to safely move toward resuming normal travel.
The administration has kept in place travel restrictions that have severely curtailed international trips to the U.S., citing the spread of the delta variant of the virus.
Los Angeles considering proof-of-vaccine requirements
Officials in the city of Los Angeles are considering a proposal that would require people to show proof they've been vaccinated to enter restaurants, museums, gyms and other public spaces, following in the footsteps of New York City, which became the first in the country to require proof of the COVID-19 vaccine to enter many indoor public spaces this week.
"Hard-working Angelenos, their customers and the general public deserve to be safe in public spaces," said City Councilmember Mitch O'Farrell, who introduced the proposal alongside council President Nury Martinez.
"It's incredibly important that we take every step we can to incentive people who haven't gotten the vaccine to get it. It's also crucial that people who have followed public health advice and gotten the shots, that they be able to move as freely as possible," said mayoral candidate L.A. City Attorney Mike Feuer, who wrote a letter to the Los Angeles County Board of Supervisors, urging it to take action county-wide.
New York's requirement will go into effect on Aug. 16 after being announced by Mayor Bill de Blasio on Tuesday and endorsed by President Joe Biden.
-Jeanine Santucci
Denver is first large school district to mandate vaccinations to employees
As part of Denver's mandate that all city employees and private-sector workers in high-risk settings get vaccinated against COVID-19 by the end of September, school personnel will be required to get the shots. That makes Denver Public Schools the first large district to issue such a mandate. The district has about 92,000 students and more than 10,000 workers.
Mayor Michael Hancock's public health order issued this week has some teeth, considering it comes with the threat of termination for those who don't comply. The only exemptions will be for medical or religious reasons.
“There might be some folks who may lose their jobs behind this,” he said, according to the Denver Post.
Other large school districts, including New York City's, have said school staff need to be vaccinated or otherwise undergo regular testing for the virus. But in Denver, school employees who don’t want to be vaccinated won’t have that option.
Denver’s mandate applies to staff at all the city’s education institutions, including public and private K-12 schools, colleges and universities.
Dan Domenech, the executive director of the School Superintendents Association, said Denver may be the first to issue such a requirement of school staff, but it won't be the last. "I'm sure others will follow," he said.
– Alia Wong
Sturgis Motorcycle Rally returns, and delta will be there
Remember all the hand-wringing about the Sturgis Motorcycle Rally being held amid a pandemic last year? Well, the massive annual gathering of bikers in South Dakota is back this year, now with the highly infectious delta variant threatening to turn the event into a superspreader of huge proportions.
About 700,000 people are expected to attend the rally, which starts Friday and has become a haven for people eager to escape coronavirus precautions. Those hardly deterred participants last August, when roughly 460,000 attended. Masks were mostly ditched as bikers crowded into bars, tattoo parlors and rock shows.
Contact tracers reported 649 infections from every corner of the country linked to the 2020 rally, including one death. A team from the CDC concluded in a published study that the gathering “had many characteristics of a superspreading event.”
“The rally is a behemoth and you cannot stop it,” said Carol Fellner, a Sturgis resident who worried that this year’s event would cause a fresh outbreak of cases. “I feel absolutely powerless.''
Vaccinated people more wary of delta variant than unvaccinated
Despite the risk the delta variant poses to the unvaccinated, it's the people inoculated against COVID-19 who are more concerned about the highly contagious version – and more likely to change their behavior, according to a new poll released Wednesday. Vaccinated adults are nearly twice as likely to worry that new variants such as delta will worsen the pandemic nationally and locally, according to the latest tracking poll from the Kaiser Family Foundation.
The telephone survey of 1,517 adults was conducted from July 15-27, before the CDC said vaccinated people should mask up indoors in areas with “substantial” levels of COVID-19 transmission. About one in five unvaccinated adults said variants have made them more likely to get vaccinated.
“Seeing their friends get sick and local hospitals fill up again with COVID patients may speed them along,” foundation CEO Drew Altman said.
– Maureen Groppe
Some educators, state politicians at odds over masks in schools
The delta variant has driven a sharp surge in U.S. infections and hospitalizations that has educators across the nation wary as the new school year approaches. The U.S. Department of Education's road map for return to school includes guidance for wearing masks that in many school districts is pitting educators against state officials.
In Florida, Duval County Public Schools will have a mask mandate with an opt-out option, even as Gov. Ron DeSantis threatens district funding if schools issue one. In Tennessee, Shelby County Schools will keep a mask mandate in place, even start school remotely depending on cases this fall. The state's House speaker has threatened to call a special session prohibiting it.
And a contingent of Democratic lawmakers from Oklahoma is calling for a special legislative session to repeal a new law that prevents school districts from imposing mask mandates unless a state of emergency is in effect. Tulsa Public Schools expect but don't require masks at all times for students and staff, regardless of vaccination status.
“What has to happen before we take COVID seriously?" Democratic House Minority Leader Emily Virgin said. "We have children in ICU."
Lollapalooza fest in Chicago: Safe or a 'recipe for disaster'?
As COVID-19 cases surged in the U.S. last weekend, Chicago's downtown was a sea of mostly unmasked humanity as hundreds of thousands crowded together for the outdoor music festival Lollapalooza. More than 385,000 people packed the four-day event. Chicago Mayor Lori Lightfoot defended the decision to hold the festival, citing pandemic precautions that required concertgoers show proof of vaccination or a negative COVID-19 test and to wear a mask. Lollapalooza said 90% of attendees on the first day of the event proved they were vaccinated. Lightfoot said hundreds were turned away.
Still, some experts sounded an alarm. Tina Tan, a Northwestern University Feinberg School of Medicine professor, called the festival “a recipe for disaster.”
"You're less able to transmit COVID in an outdoor space, but that doesn't mean that you can pack 100,000 people into a small, enclosed space where they're on top of each other and expect nobody's going to transmit," Tan said. "That's not how it works."
– Adrianna Rodriguez and Christine Fernando
Fourth wave of virus overwhelming hospitals in vaccine-hesitant areas
A fourth wave of COVID-19 is threatening to overwhelm U.S. hospitals in regions where large swaths of unvaccinated people provide little resistance to the highly contagious delta variant. Nowhere is the strain more apparent than Florida, which reached a new peak Tuesday of 11,515 people hospitalized with COVID-19, according to data from the U.S. Department of Health and Human Services.
Hospitals in Jacksonville and Orlando last week crashed through their pandemic peaks, and hospitals in Miami-Dade County are at or approaching record coronavirus hospitalizations this week, said Mary Mayhew, CEO of Florida Hospital Association. And cases continue to surge: 110,477 residents tested positive for COVID-19 for the week ending July 29, foreshadowing more people needing hospital care in the weeks ahead.
"The delta variant is ripping through the unvaccinated," Mayhew said.
– Ken Alltucker
Contributing: Associated Press
Source of articles：https://www.usatoday.com/
Author：John BaconJorge L. OrtizElinor Aspegren
世卫组织呼吁暂停加强新冠疫苗注射;洛杉矶正在考虑疫苗证明要求:COVID-19最新情况
约翰·培根，豪尔赫·l·奥尔蒂斯，埃莉诺·阿斯佩格伦，今日美国
世界卫生组织总干事谭德塞28日表示，随着全球新冠肺炎确诊病例超过2亿例，世界卫生组织要求暂停新冠肺炎疫苗强化注射，以便让疫苗接种困难的国家获得疫苗。
“我们呼吁所有有影响力的人——奥运会运动员、投资者、商业领袖、宗教领袖以及他们自己家庭和社区的每一个人——支持我们暂停注射加强针的呼吁……直到9月底，”谭德塞博士说。
谭德塞说，目标是让每个国家至少10%的人口接种疫苗。
美国高级卫生官员说，目前还没有足够的数据支持加强注射，即使是对老年人和免疫功能低下的人，尽管以色列现在建议对这些群体进行加强注射。但是，世卫组织呼吁暂停强化接种的同时，由于高传染性的德尔塔病毒变种的推动，美国各地的感染病例正在激增，那里有大量的疫苗，但疫苗犹豫仍然是一个严重的问题。
美国疾病控制与预防中心的最新数据显示，全美超过90%的新冠病毒感染病例来自delta变种。美国疾病控制与预防中心说，在截至7月31日的两周内，主要的三角洲型病毒感染占83.4%。其他三角洲股占另外10%。
目前的疫苗在预防或至少减少三角洲病毒感染方面已经显示出了有效性，而且绝大多数感染和住院患者都是未接种疫苗的人。
还有新闻:
本周三，美国总统巴拉克•奥巴马迎来了他的60岁生日，但出于对病毒的担忧，他的生日派对被缩减了。发言人汉娜·汉金斯表示，前总统将与家人和亲密朋友一起庆祝这一里程碑式的时刻，而不是他原计划的大型户外派对。
拉斯维加斯市长卡罗琳·古德曼去年曾表示，沙漠的高温可以遏制冠状病毒，她说自己检测呈阳性，并被隔离了10天。
如果您丢失了COVID - 19疫苗接种卡，可以通过以下方法获得新的疫苗接种卡。
嘉年华邮轮公司表示，无论船上某些区域的疫苗接种情况如何，所有乘客都将要求戴上口罩，并强制进行邮轮前COVID-19检测。
拥有近400家设施的美国最大的养老院运营商Genesis Healthcare本周告诉其7万名员工，他们必须接种COVID-19疫苗才能保住工作。
今天的数据:根据约翰霍普金斯大学的数据，美国已有超过3530万例COVID-19确诊病例和614,700例死亡。全球总数:超过2亿例病例和425万人死亡。根据美国疾病控制与预防中心的数据，超过1.653亿美国人——占人口的49.8%——已经全面接种了疫苗。
阅读内容:在大流行18个多月后，每545名美国人中就有一人死于COVID-19，相当大一部分人继续主张自己的个人自由高于公共利益。阅读完整的故事。
请不断刷新本页以获取最新消息。想要更多吗?注册《今日美国》的冠状病毒观察通讯，直接收到收件箱的更新，并加入我们的Facebook群组。
儿童感染病例在一周内几乎翻倍
随着美国大部分地区学年的临近，越来越多的数字和传闻证据表明，儿童容易感染冠状病毒及其高度传染性的丁型病毒变种。
美国儿科学会表示，截至7月29日，自疫情开始以来，已有近420万名儿童被检测出病毒阳性，其中近7.2万名是在上周。这几乎是上周39000人感染人数的两倍。在6月下旬的一个星期里，大约有79000名美国人的检测结果呈阳性。
圣路易斯县卫生部门副主任斯普林·施密特周三说，该县医院目前的病例总数中，约有五分之一是19岁以下的人，其中一些人在重症监护室。
路易斯安那州最大的医院系统Ochsner Health表示，几周前没有儿科COVID患者，但过去两周的数字从5到15人不等。奥克斯纳儿童医院儿科主任威廉·伦纳兹医生说，这并不意味着德尔塔变异对儿童的影响特别大。
他说:“不同的是，现在儿童是最容易感染的人群，因为12岁以下的儿童100%没有接种疫苗。”
到美国的外国游客可能会被要求接种疫苗
据美联社报道，根据拜登政府正在制定的一项计划，几乎所有外国游客在进入美国之前都将被要求接种COVID-19疫苗。
这一要求是政府逐步放宽外国公民入境限制措施的一部分。目前还没有确定时间表，跨部门工作组正在研究如何以及何时安全恢复正常旅行。
奥巴马政府继续实施旅行限制，严重减少了前往美国的国际旅行，理由是病毒的德尔塔变种的传播。
洛杉矶正在考虑疫苗证明要求
洛杉矶市官员正在考虑一项提议，要求人们在进入餐馆、博物馆、健身房和其他公共场所时出示已接种疫苗的证明，本周，它成为该国首个要求COVID-19疫苗证明才能进入许多室内公共场所的国家。
市议员米奇·奥法雷尔说:“勤奋工作的洛杉矶人、他们的顾客和普通公众应该在公共场所享有安全。”奥法雷尔与市议会主席努瑞·马丁内斯一起提出了这一提案。
“非常重要的是，我们采取一切可能的措施，鼓励那些没有接种疫苗的人接种疫苗。它也是至关重要的,那些是公共卫生建议,得到了照片,他们能够尽可能自由地移动,”洛杉矶城市市长候选人律师迈克封地说,他写了一封信给洛杉矶县监事会,敦促其采取行动的全国性。
纽约市长比尔·白思豪周二宣布了这一要求，并得到乔·拜登总统的支持，将于8月16日生效。
珍妮圣托西
丹佛是第一个强制员工接种疫苗的大型学区
丹佛市要求所有在高危环境工作的城市员工和私营部门员工在9月底之前接种COVID-19疫苗，作为这项要求的一部分，学校工作人员将被要求接种疫苗。这使得丹佛公立学校成为第一个发布这样一项命令的大地区。该地区有大约92,000名学生和10,000多名工人。
纽约市市长迈克尔·汉考克本周发布的公共卫生命令有些效力，因为如果不遵守命令，将面临被解雇的威胁。唯一的例外是出于医疗或宗教原因。
据《丹佛邮报》报道，他说:“幕后可能会有一些人失去工作。”
包括纽约市在内的其他大型学区表示，学校员工需要接种疫苗，或者定期接受病毒检测。但在丹佛，不想接种疫苗的学校员工没有这个选择。
丹佛的规定适用于该市所有教育机构的工作人员，包括公立和私立K-12学校、学院和大学。
学校督学协会的执行理事丹·多梅内克说，丹佛可能是第一个对学校教职员工提出这样要求的城市，但不会是最后一个。他说:“我相信其他人也会效仿。”
——特别黄
斯多吉摩托车拉力赛回来了，德尔塔也会去
还记得去年大流行期间举行的斯多吉摩托车集会吗?南达科他州一年一度的摩托车手聚会今年又回来了，现在传染性极强的德尔塔变种威胁着要把这个活动变成大规模的超级传播者。
预计将有大约70万人参加这场从周五开始的集会，它已经成为急于逃避冠状病毒预防措施的人的避风港。去年8月，大约有46万人参加了会议，但这几乎没能阻止与会者。随着骑自行车的人涌入酒吧、纹身店和摇滚表演，大部分人都摘下了面具。
接触者追踪器报告，在与2020年集会有关的全国各地有649人感染，其中一人死亡。美国疾病控制与预防中心的一个研究小组在一项已发表的研究中总结说，这次聚集“具有超级传播事件的许多特征”。
斯特吉斯居民卡罗尔·费纳担心今年的集会会导致新的病例爆发，她说:“集会规模巨大，你无法阻止它。”“我感到完全无力。”
接种疫苗的人比未接种疫苗的人更警惕丁型肝炎病毒
周三发布的一项新调查显示，尽管丁型病毒对未接种疫苗的人造成了风险，但接种过新冠病毒疫苗的人更担心这种高传染性的病毒，而且更有可能改变自己的行为。根据凯泽家庭基金会的最新跟踪调查，接种疫苗的成年人担心像德尔塔这样的新变种会加剧全国和地方的疫情的可能性几乎是接种疫苗的成年人的两倍。
这项对1517名成年人的电话调查是在7月15日至27日期间进行的，之后美国疾病控制与预防中心表示，在COVID-19传播严重的地区，接种疫苗的人应该戴上口罩。约五分之一未接种疫苗的成年人表示，基因变异使他们更有可能接种疫苗。
基金会首席执行官德鲁·阿尔特曼说:“看到他们的朋友生病，当地医院又挤满了COVID患者，可能会加快他们的速度。”
- - - - - -莫林Groppe
一些教育工作者和州政客在学校戴口罩的问题上存在分歧
随着新学年的临近，德尔塔病毒的变异导致美国感染和住院人数急剧上升，这使得全国的教育工作者都十分警惕。美国教育部的返校路线图包括了戴口罩的指导，这在许多学区引起了教育工作者和州官员的对立。
在佛罗里达州，杜瓦尔县公立学校将有一项带选择退出选项的口罩强制令，尽管州长罗恩·德桑蒂斯威胁说，如果学校发布禁令，学区将提供资金支持。在田纳西州，谢尔比县学校将保留戴口罩的规定，甚至根据今年秋季的病例开始远程上学。该州众议院发言人威胁要召开特别会议禁止这种做法。
来自俄克拉何马州的一群民主党议员呼吁召开特别立法会议，废除一项新法律，该法律禁止学区强制佩戴口罩，除非紧急状态生效。塔尔萨公立学校希望但不要求学生和工作人员随时戴口罩，不管疫苗接种情况如何。
“在我们认真对待COVID之前，必须发生什么?”众议院少数党领袖艾米丽·维珍说。“我们有孩子住在重症监护室。”
芝加哥Lollapalooza音乐节:安全还是“灾难配方”?
上周末，随着美国新冠肺炎确诊病例的激增，数十万人聚集在芝加哥市中心参加户外音乐节Lollapalooza，几乎成了人山人海。超过38.5万人参加了为期四天的活动。芝加哥市长洛里·莱特福特为举办音乐节的决定进行了辩护，他援引了大流行预防措施，要求观众出示接种疫苗或COVID-19检测呈阴性的证据，并戴上口罩。洛拉帕罗扎说，在活动的第一天，90%的参与者证明他们接种了疫苗。莱特福特说，数百人被拒之门外。
尽管如此，一些专家还是敲响了警钟。西北大学范伯格医学院教授谭婷称这个节日是“灾难的处方”。
“在户外传播新冠病毒的能力较低，但这并不意味着你可以把10万人挤在一个狭小的封闭空间里，他们一个挨一个地挤在一起，预计没有人会传播，”谭说。“事情不是这样的。”
——阿德里安娜·罗德里格斯和克里斯汀·费尔南多
第四波病毒淹没了疫苗接种犹豫地区的医院
第四波COVID-19疫情有可能使美国一些地区的医院不堪重负，这些地区大量未接种疫苗的人对高传染性的德尔塔病毒几乎没有抵抗力。美国卫生与公众服务部的数据显示，佛罗里达的压力比其他任何地方都更明显。周二，该州因COVID-19住院的人数达到了新的高峰，达到了11515人。
佛罗里达州医院协会首席执行官玛丽·梅休说，杰克逊维尔和奥兰多的医院上周度过了大流行高峰，迈阿密-戴德县的医院本周的冠状病毒住院人数达到或接近创纪录水平。病例继续激增:在截至7月29日的一周内，110477名居民的COVID-19检测呈阳性，预示着未来几周将有更多的人需要住院治疗。
梅休说:“丁型肝炎病毒变种正在未接种疫苗的人群中蔓延。”
——肯Alltucker
贡献:美联社
附上原文，以供参考，拒绝转载，侵权必删：
WHO calls for moratorium on vaccine booster shots; Los Angeles considering proof-of-vaccine requirements: COVID-19 updates
John BaconJorge L. OrtizElinor Aspegren USA TODAY
The director-general of the World Health Organization called for a moratorium on coronavirus vaccine booster shots to allow vaccine access to countries struggling to obtain jabs as the global total of COVID-19 cases surpassed 200 million Wednesday.
"We call on everyone with influence – Olympics athletes, investors, business leaders, faith leaders and every individual in their own family and community – to support our call for a moratorium on booster shots... until at least the end of September," Dr. Tedros Adhanom Ghebreyesus said.
Tedros said the goal was to focus on enabling at least 10% of the population of every country to be vaccinated.
Top U.S. health officials have said there is not yet enough data to support booster shots, even for the elderly and immunocompromised, though Israel is now recommending them for those groups. But WHO's call for a booster moratorium comes as infections are surging across the U.S. – driven by the highly contagious delta variant – where vaccine is plentiful but vaccine hesitancy remains a serious concern.
More than 90% of new coronavirus infections across the U.S. are from the delta variant, according to the latest data from the Center for Disease Control and Prevention. The primary delta strand accounted for 83.4% of infections in the two-week period that ended July 31, the CDC says. Other delta strands represented another 10%.
Current vaccines have shown effectiveness in protecting against or at least minimizing the damage from a delta infection, and the vast majority of infections and hospitalizations are among the unvaccinated.
Also in the news:
Barack Obama turned 60 on Wednesday, but his birthday bash has been scaled back because of virus concerns. Spokesperson Hannah Hankins said the former president will now be celebrating the milestone moment with family and close friends in place of the large outdoor party he had planned.
Las Vegas Mayor Carolyn Goodman, who suggested last year that the desert's heat would keep the coronavirus at bay, said she tested positive and quarantined for 10 days.
If you've lost your COVID vaccination card, this is how you can get a new one.
Carnival Cruise Lines said it will require masks for all passengers regardless of vaccination status in certain areas indoors onboard its ships, as well as mandatory pre-cruise COVID-19 testing.
Genesis Healthcare, the nation’s largest nursing home operator with nearly 400 facilities, told its 70,000 employees this week they will have to get COVID-19 vaccinations to keep their jobs.
Today's numbers: The U.S. has had more than 35.3 million confirmed COVID-19 cases and 614,700 deaths, according to Johns Hopkins University data. The global totals: More than 200 million cases and 4.25 million deaths. More than 165.3 million Americans – 49.8% of the population – have been fully vaccinated, according to the CDC.
What we're reading: After more than 18 months of a pandemic, with 1 of every 545 Americans killed by COVID-19, a substantial chunk of the population continues to assert their own individual liberties over the common good. Read the full story.
Keep refreshing this page for the latest news. Want more? Sign up for USA TODAY's Coronavirus Watch newsletter to receive updates directly to your inbox and join our Facebook group.
Infections among children nearly double in a week
As the school year approaches in most of the country, there's increasing evidence -- both numerical and anecdotal – of children's vulnerability to the coronavirus and its highly transmissible delta variant.
The American Academy of Pediatrics said that as of July 29, almost 4.2 million children have tested positive for the virus since the pandemic began, nearly 72,000 of them in the last week. That's almost twice as many as the 39,000 infections from the previous week. For perspective, about 79,000 Americans of all ages tested positive in a week of late June.
Spring Schmidt, deputy director of the St. Louis County health department, said Wednesday about one in five current total cases in county hospitals have been people under 19, some of them in intensive care.
Ochsner Health, Louisiana’s largest hospital system, said it had no pediatric COVID patients several weeks ago, but the last two weeks the number has ranged from five to 15. Dr. William Lennarz, head of pediatrics at Ochsner Hospital for Children, said that doesn’t mean the delta variant is disproportionately affecting children.
"What is different is that children now make up the most susceptible population because children under 12 are 100% not vaccinated,” he said.
Foreign visitors to US may be required to get vaccine
Nearly all foreign visitors will be required to be vaccinated against COVID-19 before entering the U.S., according to a plan the Biden administration is working on, The Associated Press reported.
The requirement would come as part of the administration’s phased approach to easing travel restrictions for foreign citizens to the country. No timeline has yet been determined, as interagency working groups study how and when to safely move toward resuming normal travel.
The administration has kept in place travel restrictions that have severely curtailed international trips to the U.S., citing the spread of the delta variant of the virus.
Los Angeles considering proof-of-vaccine requirements
Officials in the city of Los Angeles are considering a proposal that would require people to show proof they've been vaccinated to enter restaurants, museums, gyms and other public spaces, following in the footsteps of New York City, which became the first in the country to require proof of the COVID-19 vaccine to enter many indoor public spaces this week.
"Hard-working Angelenos, their customers and the general public deserve to be safe in public spaces," said City Councilmember Mitch O'Farrell, who introduced the proposal alongside council President Nury Martinez.
"It's incredibly important that we take every step we can to incentive people who haven't gotten the vaccine to get it. It's also crucial that people who have followed public health advice and gotten the shots, that they be able to move as freely as possible," said mayoral candidate L.A. City Attorney Mike Feuer, who wrote a letter to the Los Angeles County Board of Supervisors, urging it to take action county-wide.
New York's requirement will go into effect on Aug. 16 after being announced by Mayor Bill de Blasio on Tuesday and endorsed by President Joe Biden.
-Jeanine Santucci
Denver is first large school district to mandate vaccinations to employees
As part of Denver's mandate that all city employees and private-sector workers in high-risk settings get vaccinated against COVID-19 by the end of September, school personnel will be required to get the shots. That makes Denver Public Schools the first large district to issue such a mandate. The district has about 92,000 students and more than 10,000 workers.
Mayor Michael Hancock's public health order issued this week has some teeth, considering it comes with the threat of termination for those who don't comply. The only exemptions will be for medical or religious reasons.
“There might be some folks who may lose their jobs behind this,” he said, according to the Denver Post.
Other large school districts, including New York City's, have said school staff need to be vaccinated or otherwise undergo regular testing for the virus. But in Denver, school employees who don’t want to be vaccinated won’t have that option.
Denver’s mandate applies to staff at all the city’s education institutions, including public and private K-12 schools, colleges and universities.
Dan Domenech, the executive director of the School Superintendents Association, said Denver may be the first to issue such a requirement of school staff, but it won't be the last. "I'm sure others will follow," he said.
– Alia Wong
Sturgis Motorcycle Rally returns, and delta will be there
Remember all the hand-wringing about the Sturgis Motorcycle Rally being held amid a pandemic last year? Well, the massive annual gathering of bikers in South Dakota is back this year, now with the highly infectious delta variant threatening to turn the event into a superspreader of huge proportions.
About 700,000 people are expected to attend the rally, which starts Friday and has become a haven for people eager to escape coronavirus precautions. Those hardly deterred participants last August, when roughly 460,000 attended. Masks were mostly ditched as bikers crowded into bars, tattoo parlors and rock shows.
Contact tracers reported 649 infections from every corner of the country linked to the 2020 rally, including one death. A team from the CDC concluded in a published study that the gathering “had many characteristics of a superspreading event.”
“The rally is a behemoth and you cannot stop it,” said Carol Fellner, a Sturgis resident who worried that this year’s event would cause a fresh outbreak of cases. “I feel absolutely powerless.''
Vaccinated people more wary of delta variant than unvaccinated
Despite the risk the delta variant poses to the unvaccinated, it's the people inoculated against COVID-19 who are more concerned about the highly contagious version – and more likely to change their behavior, according to a new poll released Wednesday. Vaccinated adults are nearly twice as likely to worry that new variants such as delta will worsen the pandemic nationally and locally, according to the latest tracking poll from the Kaiser Family Foundation.
The telephone survey of 1,517 adults was conducted from July 15-27, before the CDC said vaccinated people should mask up indoors in areas with “substantial” levels of COVID-19 transmission. About one in five unvaccinated adults said variants have made them more likely to get vaccinated.
“Seeing their friends get sick and local hospitals fill up again with COVID patients may speed them along,” foundation CEO Drew Altman said.
– Maureen Groppe
Some educators, state politicians at odds over masks in schools
The delta variant has driven a sharp surge in U.S. infections and hospitalizations that has educators across the nation wary as the new school year approaches. The U.S. Department of Education's road map for return to school includes guidance for wearing masks that in many school districts is pitting educators against state officials.
In Florida, Duval County Public Schools will have a mask mandate with an opt-out option, even as Gov. Ron DeSantis threatens district funding if schools issue one. In Tennessee, Shelby County Schools will keep a mask mandate in place, even start school remotely depending on cases this fall. The state's House speaker has threatened to call a special session prohibiting it.
And a contingent of Democratic lawmakers from Oklahoma is calling for a special legislative session to repeal a new law that prevents school districts from imposing mask mandates unless a state of emergency is in effect. Tulsa Public Schools expect but don't require masks at all times for students and staff, regardless of vaccination status.
“What has to happen before we take COVID seriously?" Democratic House Minority Leader Emily Virgin said. "We have children in ICU."
Lollapalooza fest in Chicago: Safe or a 'recipe for disaster'?
As COVID-19 cases surged in the U.S. last weekend, Chicago's downtown was a sea of mostly unmasked humanity as hundreds of thousands crowded together for the outdoor music festival Lollapalooza. More than 385,000 people packed the four-day event. Chicago Mayor Lori Lightfoot defended the decision to hold the festival, citing pandemic precautions that required concertgoers show proof of vaccination or a negative COVID-19 test and to wear a mask. Lollapalooza said 90% of attendees on the first day of the event proved they were vaccinated. Lightfoot said hundreds were turned away.
Still, some experts sounded an alarm. Tina Tan, a Northwestern University Feinberg School of Medicine professor, called the festival “a recipe for disaster.”
"You're less able to transmit COVID in an outdoor space, but that doesn't mean that you can pack 100,000 people into a small, enclosed space where they're on top of each other and expect nobody's going to transmit," Tan said. "That's not how it works."
– Adrianna Rodriguez and Christine Fernando
Fourth wave of virus overwhelming hospitals in vaccine-hesitant areas
A fourth wave of COVID-19 is threatening to overwhelm U.S. hospitals in regions where large swaths of unvaccinated people provide little resistance to the highly contagious delta variant. Nowhere is the strain more apparent than Florida, which reached a new peak Tuesday of 11,515 people hospitalized with COVID-19, according to data from the U.S. Department of Health and Human Services.
Hospitals in Jacksonville and Orlando last week crashed through their pandemic peaks, and hospitals in Miami-Dade County are at or approaching record coronavirus hospitalizations this week, said Mary Mayhew, CEO of Florida Hospital Association. And cases continue to surge: 110,477 residents tested positive for COVID-19 for the week ending July 29, foreshadowing more people needing hospital care in the weeks ahead.
"The delta variant is ripping through the unvaccinated," Mayhew said.
– Ken Alltucker
Contributing: Associated Press
Source of articles：https://www.usatoday.com/
Author：John BaconJorge L. OrtizElinor Aspegren
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