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济南深圳痛风中医医生
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发布时间: 2025-05-31 10:13:54北京青年报社官方账号
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  济南深圳痛风中医医生   

The top U.S. public health agency stirred confusion by posting — and then taking down — an apparent change in its position on how easily the coronavirus can spread from person to person through the air.But officials at the Centers for Disease Control and Prevention say their position has not really changed and that the post last week on the agency’s website was an error that has been taken down.It was “an honest mistake” that happened when a draft update was posted before going through a full editing and approval process, said Dr. Jay Butler, the CDC’s deputy director for infectious diseases.The post suggested that the agency believes the virus can hang in the air and spread over an extended distance. But the agency continues to believe larger and heavier droplets that come from coughing or sneezing are the primary means of transmission, Butler said.Most CDC guidance about social distancing is built around that idea, saying that about 6 feet is a safe buffer between people who are not wearing masks.In interviews, CDC officials have acknowledged growing evidence that the virus can sometimes be transmitted on even smaller, aerosolized particles or droplets that spread over a wider area. Certain case clusters have been tied to events in which the virus appeared to have spread through the air in, for example, a choir practice. But such incidents did not appear to be common.Public health experts urge people to wear masks, which can stop or reduce contact with both larger droplets and aerosolized particles.But for months, agency officials said little about aerosolized particles. So when the CDC quietly posted an update Friday that discussed the particles in more detail, the agency’s position appeared to have changed. The post said the virus can remain suspended in the air and drift more than 6 feet. It also emphasized the importance of indoor ventilation and seemed to describe the coronavirus as the kind of germ that can spread widely through the air.The post caused widespread discussion in public health circles because of its implications. It could mean, for example, that hospitals might have to place infected people in rooms that are specially designed to prevent air from flowing to other parts of the hospital.But the CDC is not advising any changes in how far people stay away from each other, how they are housed at hospitals or other measures, Butler said.The CDC has come under attack for past revisions of guidance during the pandemic, some of which were driven by political pressure by the Trump administration.Butler said there was no external political pressure behind the change in this instance. “This was an internal issue,. And we’re working hard to address it and make sure it doesn’t happen again,” he said.In a statement released Monday, the CDC said the revisions to the “How COVID-19 Spreads” page happened “without appropriate in-house technical review.”“We are reviewing our process and tightening criteria for review of all guidance and updates before they are posted to the CDC website,” the statement said.At least one expert said the episode could further chip away at public confidence in the CDC.“The consistent inconsistency in this administration’s guidance on COVID-19 has severely compromised the nation’s trust in our public health agencies,” said Dr. Howard Koh, a Harvard University public health professor who was a high-ranking official in the Department of Health and Human Services during the Obama administration.“To rectify the latest challenge, the CDC must acknowledge that growing scientific evidence indicates the importance of airborne transmission through aerosols, making mask wearing even more critical as we head into the difficult fall and winter season,” Koh said in a statement.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 3964

  济南深圳痛风中医医生   

The United States says they are delivering critical supplies to Lebanon after the deadly port explosion on Tuesday.The United States Air Force said in a press release that planes at the Al Udeid Air Base in Qatar were getting supplies out to help the Lebanon people after more than 100 people were killed in a deadly blast in Beirut.Officials said members of the 379th Air Expeditionary Wing, Air Mobility Command’s 8th Expeditionary Air Mobility Squadron and 816th Expeditionary Airlift Squadron on Al Udeid Air Base, and the Area Support Group-Qatar from Camp As Sayliyah helped in the delivery of the aid.“Support of this magnitude at such speed wouldn’t be possible without the joint effort of all members of Al Udeid Air Base, our U.S. Army counterparts at Camp As Sayliyah and our gracious Qatari partners,” said Brig. Gen. Daniel Tulley, 379th Air Expeditionary Wing commander in the statement. “In the wake of tragedy, it truly takes a combined effort to make the mission happen. We do this every day in Qatar, and that’s exactly what we are doing in support of the Lebanese Armed Forces.”Officials said 11 pallets, which contained more than 28,800 military field rations, 11,520 bottles of water, and two pallets of medical supplies were being delivered.According to the Associated Press, the blast killed at least 135 people and injured more than 5,000. 1371

  济南深圳痛风中医医生   

The Transportation Security Administration (TSA) screened the highest number of travelers on Sunday since the start of the pandemic as more than a million Americans traveled home following the Thanksgiving holiday.The TSA screened 1.2 million passengers on Sunday, marking its highest total since March 16 — just days after President Donald Trump delivered a primetime address announcing travel restrictions to Europe as COVID-19 began to spread in the U.S. While TSA screening numbers aren't representative of all travel throughout the U.S., the number gives officials an idea of how many people boarded an airplane in the U.S. in a given timeframe.Despite the uptick in travelers, the amount of Americans traveling following Thanksgiving was nowhere near the amount that traveled on the Sunday following Thanksgiving in 2019 — on that day, TSA screen 2.9 million Americans.The uptick in travel comes despite warnings from the CDC against traveling for Thanksgiving amid a spike in COVID-19 cases. Top ranking health officials are urging anyone who traveled to attend a Thanksgiving gathering to get tested for COVID-19 even if they do not have symptoms.On Sunday, Dr. Deborah Birx — a member of the White House coronavirus task force — said anyone who attended a Thanksgiving gathering over the weekend should "assume" they have COVID-19 and take precautions against spreading the virus in the coming weeks.The U.S. has seen more than 4 million people become infected with the virus in November alone — a number that represents 30% of all cases recorded in the country since the pandemic began.Last week, Dr. Anthony Fauci — the U.S.'s leading infectious disease expert — warned that the U.S. could see a "spike superimposed on a spike" in cases in the weeks after Thanksgiving if Americans continued to travel. 1821

  

The woman who gave President Donald Trump's motorcade the finger in late October is speaking out after she said she was fired for the incident that went viral.Juli Briskman, a former member of the marketing team at Akima LLC, was riding her bike as the presidential motorcade passed by, transporting Trump from his golf course back to the White House."My finger said what I was feeling," Briskman said. "I'm angry and I'm frustrated."She flipped off the motorcade twice, and after the moment went viral, she told her employer."I thought that it would probably get back to my company eventually," Briskman said in an interview with CNN's Jeanne Moos.She said she was told she had violated the company's social media policy, and said the company in turn fired her."I said, 'Well, that was me,'" Briskman told Moos, recalling her conversation with her former company's HR representative.Briskman said she had been at the company for about 6? months before the incident, and was working in the marketing department.She added that she's "really not" the bird-flipping type."Health care doesn't pass, but you try to dismantle it from the inside," Briskman said. "Five-hundred people get shot in Las Vegas; you're doing nothing about it. You know, white supremacists have this big march and hurt a bunch of people down in Charlottesville and you call them good people." 1370

  

The road to college sometimes has twists and turns, for Rehan Staton, the road to Harvard Law included recovering from injuries, growing up with a single parent, and years as a sanitation worker.Staton’s life changed when he was 8, when his mother left, according to CNN. His father raised him and his brother, reportedly working multiple jobs to make ends meet. Staton struggled in high school, and graduated with the help of a tutor his dad found. An injury before graduating meant an athletic scholarship was out of reach.When his dad suffered a stroke, Staton and his brother took jobs as sanitation workers to support the family. While collecting garbage, Staton found time to attend the University of Maryland.He spent his college years waking up early and collecting garbage before class. Staton says it was because of encouragement from his sanitation coworkers that he kept going to class. He graduated with a history degree and a GPA of 3.84 in December 2018. Staton was profiled in the University of Maryland’s campus paper.Staton wasn’t done. After graduating he took a job to support his dad and didn’t give up on higher education. He applied to 9 schools. His cousin reportedly had the idea to record Staton opening letters from schools he applied to, to capture his reactions. Staton says the admissions process was “super random at times” and encourages people not to “internalize it.”He is now headed to Harvard Law School this fall, and his excitement after years of hard work was caught on camera. His reaction to Harvard is about 6 minutes into the video.There is currently a gofundme account set up to help Staton raise the money needed to attend Harvard. He will reportedly be taking classes online this fall and hopes to be on campus soon. 1771

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